{"id":6252,"date":"2026-10-13T11:33:33","date_gmt":"2026-10-13T09:33:33","guid":{"rendered":"https:\/\/asa-ss.com\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/"},"modified":"2026-10-20T11:10:17","modified_gmt":"2026-10-20T09:10:17","slug":"les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications","status":"publish","type":"post","link":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/","title":{"rendered":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"6252\" class=\"elementor elementor-6252 elementor-6159\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c4a7e77 e-flex e-con-boxed e-con e-parent\" data-id=\"c4a7e77\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22b7171 elementor-widget elementor-widget-heading\" data-id=\"22b7171\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4d3f0e9 elementor-widget elementor-widget-text-editor\" data-id=\"4d3f0e9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Dans le guide pr\u00e9c\u00e9dent, nous avons expliqu\u00e9 le r\u00f4le g\u00e9n\u00e9ral d&rsquo;un mastic. Passons maintenant \u00e0 la pratique : les mastics sont class\u00e9s en A, B et C, et cette lettre indique la consistance du mat\u00e9riau et son mode d&rsquo;application \u2014 sans rapport avec sa composition chimique. C&rsquo;est une question distincte, que nous aborderons dans le prochain guide.<br\/>Pourquoi cette lettre est-elle importante ? Parce qu&rsquo;un mastic dont la chimie convient parfaitement \u00e0 l&rsquo;application ne sert \u00e0 rien s&rsquo;il est impossible de l&rsquo;appliquer correctement sur le joint concern\u00e9 avec l&rsquo;outillage disponible.   <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b454d1b elementor-widget elementor-widget-image\" data-id=\"b454d1b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Technical-Sealant-Joint-Assembly-1024x683.jpg\" class=\"attachment-large size-large wp-image-6253\" alt=\"Infographie pr\u00e9sentant les diff\u00e9rents types de mastics d\u2019\u00e9tanch\u00e9it\u00e9 selon leur utilisation.\" srcset=\"https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Technical-Sealant-Joint-Assembly-1024x683.jpg 1024w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Technical-Sealant-Joint-Assembly-300x200.jpg 300w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Technical-Sealant-Joint-Assembly-768x512.jpg 768w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Technical-Sealant-Joint-Assembly-600x400.jpg 600w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Technical-Sealant-Joint-Assembly.jpg 1536w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d2d792f elementor-widget elementor-widget-heading\" data-id=\"d2d792f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Classe A \u2014 application au pinceau<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3574591 elementor-widget elementor-widget-text-editor\" data-id=\"3574591\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Assez fluide pour \u00eatre appliqu\u00e9 au pinceau. La classe A est utilis\u00e9e sur les t\u00eates de fixations, les petits jeux et les retouches \u2014 partout o\u00f9 un cordon \u00e9pais serait excessif ou difficile \u00e0 ma\u00eetriser manuellement. Elle tend \u00e9galement \u00e0 polym\u00e9riser plus rapidement que les classes plus \u00e9paisses, ce qui convient aux op\u00e9rations simples et \u00e0 fort volume sur ligne de production.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-545fcd6 elementor-widget elementor-widget-heading\" data-id=\"545fcd6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Classe B \u2014 injection et \u00e9tanch\u00e9it\u00e9 en cong\u00e9<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5904e4d elementor-widget elementor-widget-text-editor\" data-id=\"5904e4d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Plus \u00e9paisse, elle est g\u00e9n\u00e9ralement appliqu\u00e9e au moyen d&rsquo;un pistolet d&rsquo;extrusion et d&rsquo;une buse plut\u00f4t qu&rsquo;au pinceau. La classe B est tr\u00e8s courante pour l&rsquo;\u00e9tanch\u00e9it\u00e9 anticorrosion autour des \u00e9l\u00e9ments de fixation et des raccords, lorsque le cordon doit conserver sa forme au lieu de simplement recouvrir la surface. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4049a25 elementor-widget elementor-widget-heading\" data-id=\"4049a25\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Classe C \u2014 \u00e9tanch\u00e9it\u00e9 des surfaces de contact (fay sealing)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e783ec0 elementor-widget elementor-widget-text-editor\" data-id=\"e783ec0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Sa consistance se situe entre les classes A et B. Elle est destin\u00e9e au fay sealing : l&rsquo;\u00e9tanch\u00e9it\u00e9 entre deux surfaces en contact avant leur assemblage, de sorte que le mastic se comprime et se r\u00e9partisse lorsque les pi\u00e8ces sont rapproch\u00e9es. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3be39a4 elementor-widget elementor-widget-heading\" data-id=\"3be39a4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ne pas confondre classe et chimie<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91c06c8 elementor-widget elementor-widget-text-editor\" data-id=\"91c06c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les nouveaux ing\u00e9nieurs confondent fr\u00e9quemment ces deux notions : la classe A\/B\/C d\u00e9crit la viscosit\u00e9 et le mode d&rsquo;application. Polysulfure, polyur\u00e9thane, silicone ou fluorosilicone d\u00e9crivent la chimie et donc, notamment, la r\u00e9sistance au carburant, \u00e0 la chaleur ou aux UV. Une sp\u00e9cification indique les deux. Un mastic polysulfure bicomposant peut, par exemple, exister en classe A, B ou C selon l&rsquo;endroit o\u00f9 il doit \u00eatre appliqu\u00e9 sur l&rsquo;a\u00e9ronef.   <\/p><p>Choisir la bonne chimie mais la mauvaise classe \u2014 ou l&rsquo;inverse \u2014 reste un probl\u00e8me : le mastic peut r\u00e9sister parfaitement \u00e0 son environnement tout en \u00e9tant impossible \u00e0 appliquer correctement sur le joint concern\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-822635b elementor-widget elementor-widget-image\" data-id=\"822635b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"640\" height=\"427\" src=\"https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Cyan-Nozzle-Sealing-Aircraft-Rivets-1024x683.jpg\" class=\"attachment-large size-large wp-image-6254\" alt=\"Gros plan sur une buse bleue appliquant un mastic d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautique gris sur un rivet d\u2019avion situ\u00e9 sur un panneau m\u00e9tallique, assurant une \u00e9tanch\u00e9it\u00e9 pr\u00e9cise des \u00e9l\u00e9ments de fixation a\u00e9ronautiques.\" srcset=\"https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Cyan-Nozzle-Sealing-Aircraft-Rivets-1024x683.jpg 1024w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Cyan-Nozzle-Sealing-Aircraft-Rivets-300x200.jpg 300w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Cyan-Nozzle-Sealing-Aircraft-Rivets-768x512.jpg 768w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Cyan-Nozzle-Sealing-Aircraft-Rivets-600x400.jpg 600w, https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Cyan-Nozzle-Sealing-Aircraft-Rivets.jpg 1536w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5e686b7 elementor-widget elementor-widget-heading\" data-id=\"5e686b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Choisir la bonne classe<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e48037 elementor-widget elementor-widget-text-editor\" data-id=\"8e48037\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Trois questions permettent g\u00e9n\u00e9ralement de trancher :<\/p><ul><li>Comment le mastic est-il appliqu\u00e9 \u2014 au pinceau, au pistolet ou par compression entre deux surfaces en contact ?<\/li><li>Quelle est la g\u00e9om\u00e9trie du joint \u2014 petit \u00e9l\u00e9ment de fixation ou longue ligne d&rsquo;assemblage structurelle ?<\/li><li>Quel est le volume de production ? La polym\u00e9risation plus rapide de la classe A convient aux op\u00e9rations \u00e0 cadence \u00e9lev\u00e9e sur les fixations ; les classes B et C sont plus souvent utilis\u00e9es pour des op\u00e9rations d&rsquo;\u00e9tanch\u00e9it\u00e9 structurelle plus lentes et plus contr\u00f4l\u00e9es. <\/li><\/ul><p>Dernier point \u00e0 signaler : m\u00eame lorsque la bonne classe a \u00e9t\u00e9 choisie, une buse ou un pistolet inadapt\u00e9 \u00e0 cette viscosit\u00e9 est une cause fr\u00e9quente d&rsquo;irr\u00e9gularit\u00e9 des joints d&rsquo;\u00e9tanch\u00e9it\u00e9 en production. Nous y revenons dans notre guide sur l&rsquo;outillage d&rsquo;application. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications Dans le guide pr\u00e9c\u00e9dent, nous avons expliqu\u00e9 le r\u00f4le g\u00e9n\u00e9ral d&rsquo;un mastic. Passons maintenant \u00e0 la pratique : les mastics sont class\u00e9s en A, B et C, et cette lettre indique la consistance du mat\u00e9riau et son mode d&rsquo;application \u2014 sans rapport avec [&hellip;]<\/p>\n","protected":false},"author":23,"featured_media":6255,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[137],"tags":[],"class_list":["post-6252","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Carla L\u00f3pez-Bravo\"\/>\n\t<meta name=\"msvalidate.01\" content=\"681A8EC4E4EDA39856AF6463F1B11B33\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Aerospace Sealant Application - Aerospace Sealant Application\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications - ASA\" \/>\n\t\t<meta property=\"og:description\" content=\"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/asa-ss.com\/wp-content\/uploads\/2024\/02\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/asa-ss.com\/wp-content\/uploads\/2024\/02\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"653\" \/>\n\t\t<meta property=\"og:image:height\" content=\"283\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-10-13T09:33:33+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-20T09:10:17+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications - ASA\" \/>\n\t\t<meta name=\"twitter:description\" content=\"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/asa-ss.com\/wp-content\/uploads\/2024\/02\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#blogposting\",\"name\":\"Les classes de mastics d\\u2019\\u00e9tanch\\u00e9it\\u00e9 a\\u00e9ronautiques expliqu\\u00e9es : diff\\u00e9rences, utilisations et applications - ASA\",\"headline\":\"Les classes de mastics d\\u2019\\u00e9tanch\\u00e9it\\u00e9 a\\u00e9ronautiques expliqu\\u00e9es : diff\\u00e9rences, utilisations et applications\",\"author\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/author\\\/lbocarla\\\/#author\"},\"publisher\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Precision-Aerospace-Assembly-Workshop.jpg\",\"width\":1672,\"height\":941,\"caption\":\"Deux techniciens a\\u00e9ronautiques qualifi\\u00e9s travaillent sur des composants structurels d'avion dans une usine de fabrication, en utilisant des outils de pr\\u00e9cision sur des pi\\u00e8ces m\\u00e9talliques.\"},\"datePublished\":\"2026-10-13T11:33:33+02:00\",\"dateModified\":\"2026-10-20T11:10:17+02:00\",\"inLanguage\":\"fr-FR\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#webpage\"},\"isPartOf\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#webpage\"},\"articleSection\":\"News, Facultatif\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/category\\\/news\\\/#listItem\",\"name\":\"News\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/category\\\/news\\\/#listItem\",\"position\":2,\"name\":\"News\",\"item\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/category\\\/news\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#listItem\",\"name\":\"Les classes de mastics d\\u2019\\u00e9tanch\\u00e9it\\u00e9 a\\u00e9ronautiques expliqu\\u00e9es : diff\\u00e9rences, utilisations et applications\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#listItem\",\"position\":3,\"name\":\"Les classes de mastics d\\u2019\\u00e9tanch\\u00e9it\\u00e9 a\\u00e9ronautiques expliqu\\u00e9es : diff\\u00e9rences, utilisations et applications\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/category\\\/news\\\/#listItem\",\"name\":\"News\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/#organization\",\"name\":\"Aerospace Sealant Application\",\"description\":\"Aerospace Sealant Application\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/\",\"email\":\"info@asa-ss.com\",\"telephone\":\"+34915191387\",\"foundingDate\":\"2023-09-20\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":10,\"maxValue\":50},\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/wp-content\\\/uploads\\\/2024\\\/02\\\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#organizationLogo\",\"width\":653,\"height\":283,\"caption\":\"Aeroespace Sealant Application logo negro\"},\"image\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#organizationLogo\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/company\\\/aass-aerospace-advanced-sealant-solutions\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/author\\\/lbocarla\\\/#author\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/author\\\/lbocarla\\\/\",\"name\":\"Carla L\\u00f3pez-Bravo\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#authorImage\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/wp-content\\\/litespeed\\\/avatar\\\/089adc9d55d71876a15a87da2bda7c82.jpg?ver=1792427844\",\"width\":96,\"height\":96,\"caption\":\"Carla L\\u00f3pez-Bravo\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#webpage\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/\",\"name\":\"Les classes de mastics d\\u2019\\u00e9tanch\\u00e9it\\u00e9 a\\u00e9ronautiques expliqu\\u00e9es : diff\\u00e9rences, utilisations et applications - ASA\",\"description\":\"D\\u00e9couvrez les diff\\u00e9rences et les applications des classes A, B et C de mastics d\\u2019\\u00e9tanch\\u00e9it\\u00e9 a\\u00e9ronautiques, et comment choisir le produit adapt\\u00e9 \\u00e0 l\\u2019assemblage des avions.\",\"inLanguage\":\"fr-FR\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#breadcrumblist\"},\"author\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/author\\\/lbocarla\\\/#author\"},\"creator\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/author\\\/lbocarla\\\/#author\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/wp-content\\\/uploads\\\/2026\\\/10\\\/Precision-Aerospace-Assembly-Workshop.jpg\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#mainImage\",\"width\":1672,\"height\":941,\"caption\":\"Deux techniciens a\\u00e9ronautiques qualifi\\u00e9s travaillent sur des composants structurels d'avion dans une usine de fabrication, en utilisant des outils de pr\\u00e9cision sur des pi\\u00e8ces m\\u00e9talliques.\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\\\/#mainImage\"},\"datePublished\":\"2026-10-13T11:33:33+02:00\",\"dateModified\":\"2026-10-20T11:10:17+02:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/\",\"name\":\"Aerospace Sealant Application\",\"alternateName\":\"ASA\",\"description\":\"Aerospace Sealant Application\",\"inLanguage\":\"fr-FR\",\"publisher\":{\"@id\":\"https:\\\/\\\/asa-ss.com\\\/fr\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications - ASA","description":"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.","canonical_url":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"msvalidate.01":"681A8EC4E4EDA39856AF6463F1B11B33","miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BlogPosting","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#blogposting","name":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications - ASA","headline":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications","author":{"@id":"https:\/\/asa-ss.com\/fr\/author\/lbocarla\/#author"},"publisher":{"@id":"https:\/\/asa-ss.com\/fr\/#organization"},"image":{"@type":"ImageObject","url":"https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Precision-Aerospace-Assembly-Workshop.jpg","width":1672,"height":941,"caption":"Deux techniciens a\u00e9ronautiques qualifi\u00e9s travaillent sur des composants structurels d'avion dans une usine de fabrication, en utilisant des outils de pr\u00e9cision sur des pi\u00e8ces m\u00e9talliques."},"datePublished":"2026-10-13T11:33:33+02:00","dateModified":"2026-10-20T11:10:17+02:00","inLanguage":"fr-FR","mainEntityOfPage":{"@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#webpage"},"isPartOf":{"@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#webpage"},"articleSection":"News, Facultatif"},{"@type":"BreadcrumbList","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/asa-ss.com\/fr\/#listItem","position":1,"name":"Home","item":"https:\/\/asa-ss.com\/fr\/","nextItem":{"@type":"ListItem","@id":"https:\/\/asa-ss.com\/fr\/category\/news\/#listItem","name":"News"}},{"@type":"ListItem","@id":"https:\/\/asa-ss.com\/fr\/category\/news\/#listItem","position":2,"name":"News","item":"https:\/\/asa-ss.com\/fr\/category\/news\/","nextItem":{"@type":"ListItem","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#listItem","name":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications"},"previousItem":{"@type":"ListItem","@id":"https:\/\/asa-ss.com\/fr\/#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#listItem","position":3,"name":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications","previousItem":{"@type":"ListItem","@id":"https:\/\/asa-ss.com\/fr\/category\/news\/#listItem","name":"News"}}]},{"@type":"Organization","@id":"https:\/\/asa-ss.com\/fr\/#organization","name":"Aerospace Sealant Application","description":"Aerospace Sealant Application","url":"https:\/\/asa-ss.com\/fr\/","email":"info@asa-ss.com","telephone":"+34915191387","foundingDate":"2023-09-20","numberOfEmployees":{"@type":"QuantitativeValue","minValue":10,"maxValue":50},"logo":{"@type":"ImageObject","url":"https:\/\/asa-ss.com\/wp-content\/uploads\/2024\/02\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#organizationLogo","width":653,"height":283,"caption":"Aeroespace Sealant Application logo negro"},"image":{"@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#organizationLogo"},"sameAs":["https:\/\/www.linkedin.com\/company\/aass-aerospace-advanced-sealant-solutions"]},{"@type":"Person","@id":"https:\/\/asa-ss.com\/fr\/author\/lbocarla\/#author","url":"https:\/\/asa-ss.com\/fr\/author\/lbocarla\/","name":"Carla L\u00f3pez-Bravo","image":{"@type":"ImageObject","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#authorImage","url":"https:\/\/asa-ss.com\/wp-content\/litespeed\/avatar\/089adc9d55d71876a15a87da2bda7c82.jpg?ver=1792427844","width":96,"height":96,"caption":"Carla L\u00f3pez-Bravo"}},{"@type":"WebPage","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#webpage","url":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/","name":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications - ASA","description":"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.","inLanguage":"fr-FR","isPartOf":{"@id":"https:\/\/asa-ss.com\/fr\/#website"},"breadcrumb":{"@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#breadcrumblist"},"author":{"@id":"https:\/\/asa-ss.com\/fr\/author\/lbocarla\/#author"},"creator":{"@id":"https:\/\/asa-ss.com\/fr\/author\/lbocarla\/#author"},"image":{"@type":"ImageObject","url":"https:\/\/asa-ss.com\/wp-content\/uploads\/2026\/10\/Precision-Aerospace-Assembly-Workshop.jpg","@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#mainImage","width":1672,"height":941,"caption":"Deux techniciens a\u00e9ronautiques qualifi\u00e9s travaillent sur des composants structurels d'avion dans une usine de fabrication, en utilisant des outils de pr\u00e9cision sur des pi\u00e8ces m\u00e9talliques."},"primaryImageOfPage":{"@id":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/#mainImage"},"datePublished":"2026-10-13T11:33:33+02:00","dateModified":"2026-10-20T11:10:17+02:00"},{"@type":"WebSite","@id":"https:\/\/asa-ss.com\/fr\/#website","url":"https:\/\/asa-ss.com\/fr\/","name":"Aerospace Sealant Application","alternateName":"ASA","description":"Aerospace Sealant Application","inLanguage":"fr-FR","publisher":{"@id":"https:\/\/asa-ss.com\/fr\/#organization"}}]},"og:locale":"fr_FR","og:site_name":"Aerospace Sealant Application - Aerospace Sealant Application","og:type":"article","og:title":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications - ASA","og:description":"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.","og:url":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/","og:image":"https:\/\/asa-ss.com\/wp-content\/uploads\/2024\/02\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png","og:image:secure_url":"https:\/\/asa-ss.com\/wp-content\/uploads\/2024\/02\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png","og:image:width":653,"og:image:height":283,"article:published_time":"2026-10-13T09:33:33+00:00","article:modified_time":"2026-10-20T09:10:17+00:00","twitter:card":"summary_large_image","twitter:title":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications - ASA","twitter:description":"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.","twitter:image":"https:\/\/asa-ss.com\/wp-content\/uploads\/2024\/02\/8ceb48e9-141b-48c7-8ca1-bb42f6e55b16-1.png"},"aioseo_meta_data":{"post_id":"6252","title":"#post_title #separator_sa ASA","description":"D\u00e9couvrez les diff\u00e9rences et les applications des classes A, B et C de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques, et comment choisir le produit adapt\u00e9 \u00e0 l\u2019assemblage des avions.","keywords":null,"keyphrases":{"focus":{"keyphrase":"sealant classes","score":0,"analysis":[]},"additional":[]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"BlogPosting","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":{"faqs":[],"keyPoints":[],"schemas":[],"titles":[],"descriptions":[],"socialPosts":{"email":{"subject":"","preview":"","content":""},"linkedin":[],"twitter":[],"facebook":[],"instagram":[]}},"created":"2026-10-20 09:10:18","updated":"2026-10-20 09:24:40","seo_analyzer_scan_date":null,"focus_keyword":"sealant classes","additional_keywords":null,"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/asa-ss.com\/fr\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/asa-ss.com\/fr\/category\/news\/\" title=\"News\">News<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tLes classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/asa-ss.com\/fr\/"},{"label":"News","link":"https:\/\/asa-ss.com\/fr\/category\/news\/"},{"label":"Les classes de mastics d\u2019\u00e9tanch\u00e9it\u00e9 a\u00e9ronautiques expliqu\u00e9es : diff\u00e9rences, utilisations et applications","link":"https:\/\/asa-ss.com\/fr\/les-classes-de-mastics-detancheite-aeronautiques-expliquees-differences-utilisations-et-applications\/"}],"_links":{"self":[{"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/posts\/6252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/comments?post=6252"}],"version-history":[{"count":3,"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/posts\/6252\/revisions"}],"predecessor-version":[{"id":6258,"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/posts\/6252\/revisions\/6258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/media\/6255"}],"wp:attachment":[{"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/media?parent=6252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/categories?post=6252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asa-ss.com\/fr\/wp-json\/wp\/v2\/tags?post=6252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}