{"id":2035,"date":"2026-08-24T08:37:07","date_gmt":"2026-08-24T08:37:07","guid":{"rendered":"https:\/\/sh-jycable.com\/?p=2035"},"modified":"2026-08-24T08:37:26","modified_gmt":"2026-08-24T08:37:26","slug":"aluminum-foil-mylar","status":"publish","type":"post","link":"https:\/\/sh-jycable.com\/fr\/aluminum-foil-mylar\/","title":{"rendered":"Feuille d'aluminium Mylar"},"content":{"rendered":"<p>Le papier d'aluminium Mylar est un mat\u00e9riau composite constitu\u00e9 d'une feuille d'aluminium et d'un film de polyester (Mylar).<\/p>\n<p>I. Principales caract\u00e9ristiques du film Mylar en feuille d'aluminium : 1) Excellentes propri\u00e9t\u00e9s barri\u00e8res. Le film Mylar en feuille d'aluminium pr\u00e9sente d'excellentes propri\u00e9t\u00e9s barri\u00e8res, bloquant efficacement l'humidit\u00e9, l'oxyg\u00e8ne, la lumi\u00e8re et les ondes \u00e9lectromagn\u00e9tiques.<br \/>\n2) Haute r\u00e9sistance et durabilit\u00e9 : l'ajout d'un film de polyester renforce la r\u00e9sistance m\u00e9canique de la feuille d'aluminium Mylar, lui permettant ainsi de r\u00e9sister \u00e0 certains niveaux d'\u00e9tirement et de d\u00e9chirure.<br \/>\n3) L\u00e9ger et facile \u00e0 mettre en \u0153uvre : le film d'aluminium Mylar est l\u00e9ger, ce qui le rend facile \u00e0 transporter et \u00e0 mettre en \u0153uvre.<br \/>\n4) Conductivit\u00e9 \u00e9lectrique et performances de blindage \u00e9lectromagn\u00e9tique : la conductivit\u00e9 \u00e9lectrique de la feuille d'aluminium en fait un mat\u00e9riau largement utilis\u00e9 dans l'industrie \u00e9lectronique pour le blindage \u00e9lectromagn\u00e9tique, prot\u00e9geant ainsi les \u00e9quipements sensibles contre les interf\u00e9rences.<\/p>\n<p>II. L'orientation (vers l'int\u00e9rieur ou vers l'ext\u00e9rieur) de la couche de blindage en feuille d'aluminium du c\u00e2ble influe directement sur son efficacit\u00e9 de blindage \u00e9lectromagn\u00e9tique :<br \/>\n1) Lorsqu\u2019elle est orient\u00e9e vers l\u2019int\u00e9rieur, la feuille d\u2019aluminium entre en contact direct avec l\u2019\u00e2me m\u00e9tallique, absorbant l\u2019\u00e9nergie du champ \u00e9lectrique \u00e0 la surface du conducteur par l\u2019effet de charge d\u2019image, ce qui r\u00e9duit le rayonnement en champ proche de 10 \u00e0 15 dB.<br \/>\n2) Lorsqu'elle est orient\u00e9e vers l'ext\u00e9rieur, la feuille d'aluminium fait office de premi\u00e8re couche de blindage, avec un coefficient de r\u00e9flectivit\u00e9 sup\u00e9rieur \u00e0 90%, ce qui am\u00e9liore l'att\u00e9nuation des interf\u00e9rences magn\u00e9tiques externes de 20% \u00e0 30%.<br \/>\n3) Privil\u00e9gier une orientation vers l'int\u00e9rieur : situations dans lesquelles la fr\u00e9quence du signal est sup\u00e9rieure \u00e0 1 GHz et o\u00f9 un contr\u00f4le strict des \u00e9missions rayonn\u00e9es est requis (comme dans le cadre des normes CEM de classe B).<br \/>\n4) Privil\u00e9gier une orientation vers l'ext\u00e9rieur : dans les situations o\u00f9 il existe de fortes interf\u00e9rences externes (telles qu'une intensit\u00e9 de champ \u00e9lectrique de 10 kV\/m), des flexions fr\u00e9quentes ou une mise \u00e0 la terre sont n\u00e9cessaires.<br \/>\n5) Blindage composite : lorsque les exigences en mati\u00e8re de CEM sont strictes, on adopte une structure \u00e0 double couche compos\u00e9e d\u2019une \u201c feuille d\u2019aluminium interne + tresse de cuivre externe \u201d, avec une efficacit\u00e9 de blindage &gt; 120 dB (1 GHz).<\/p>","protected":false},"excerpt":{"rendered":"<p>Aluminum foil Mylar is a composite material consisting of aluminum foil and polyester film (Mylar). I. Main characteristics of aluminum foil Mylar: 1) Excellent barrier properties. Aluminum foil Mylar exhibits excellent barrier properties, effectively blocking moisture, oxygen, light, and electromagnetic waves. 2) High strength and durability: The addition of polyester film enhances the mechanical strength [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2036,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2035","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aluminum Foil Mylar - sh-jycable.com<\/title>\n<meta name=\"description\" content=\"Aluminum foil Mylar is a composite material consisting of aluminum foil and polyester film (Mylar).\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sh-jycable.com\/fr\/aluminum-foil-mylar\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aluminum Foil Mylar - 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