{"id":2533,"date":"2026-08-03T10:04:34","date_gmt":"2026-08-03T10:04:34","guid":{"rendered":"https:\/\/unitedperfect.com\/?p=2533"},"modified":"2026-08-03T10:04:36","modified_gmt":"2026-08-03T10:04:36","slug":"pet-aluminum-foil-pet-composite-explained","status":"publish","type":"post","link":"https:\/\/unitedperfect.com\/fr\/pet-aluminum-foil-pet-composite-explained\/","title":{"rendered":"PET Aluminum Foil PET Composite Explained"},"content":{"rendered":"<h1 class=\"wp-block-heading\"><strong>PET Aluminum Foil PET Composite Explained<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Understanding High-Performance PET \/ Aluminum Foil \/ PET Barrier Structures<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Category<\/h2>\n\n\n\n<p>Thermal Protection Technical Center<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Focus Keywords<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PET Aluminum Foil PET<\/li>\n\n\n\n<li>Aluminum Foil PET Lamination<\/li>\n\n\n\n<li>PET Foil Composite Material<\/li>\n\n\n\n<li>Reflective Vapor Barrier Material<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<p>In modern thermal protection and insulation systems, aluminum foil composite materials are widely used because of their excellent combination of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thermal reflection<\/li>\n\n\n\n<li>Vapor barrier performance<\/li>\n\n\n\n<li>Mechanical strength<\/li>\n\n\n\n<li>Dimensional stability<\/li>\n<\/ul>\n\n\n\n<p>Among different laminated structures, <strong>PET \/ Aluminum Foil \/ PET composite<\/strong> is a high-performance barrier material designed for applications requiring enhanced durability, clean appearance, and reliable protection.<\/p>\n\n\n\n<p>A typical structure:<\/p>\n\n\n\n<p><strong>White PET Film<br>+<br>Aluminum Foil<br>+<br>PET Film<\/strong><\/p>\n\n\n\n<p>This multi-layer construction combines the reflective properties of aluminum foil with the strength and protection of polyester films.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7-1024x819.png\" alt=\"\" class=\"wp-image-2534\" srcset=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7-1024x819.png 1024w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7-300x240.png 300w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7-768x615.png 768w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7-15x12.png 15w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7-200x160.png 200w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7-600x480.png 600w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/666bc604-c90d-4ee2-952e-cd7d76161fa7.png 1402w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">1. What Is PET Aluminum Foil PET Composite?<\/h1>\n\n\n\n<p>PET Aluminum Foil PET is a three-layer laminated structure consisting of:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Outer PET Film\n\n\u2193\n\nAluminum Foil Layer\n\n\u2193\n\nInner PET Film<\/code><\/pre>\n\n\n\n<p>Each layer provides a specific function.<\/p>\n\n\n\n<p>The aluminum foil works as the primary functional layer, while PET films protect the foil and improve overall performance.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa-1024x819.png\" alt=\"\" class=\"wp-image-2535\" srcset=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa-1024x819.png 1024w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa-300x240.png 300w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa-768x615.png 768w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa-15x12.png 15w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa-200x160.png 200w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa-600x480.png 600w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/113577e5-1a2b-4de4-9ba1-9bb7f1203faa.png 1402w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">2. Structure and Function Analysis<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Outer PET Layer<\/h2>\n\n\n\n<p>The outer PET film provides:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Surface Protection<\/h3>\n\n\n\n<p>Protects the aluminum foil from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scratching<\/li>\n\n\n\n<li>Abrasion<\/li>\n\n\n\n<li>Handling damage<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Improved Appearance<\/h3>\n\n\n\n<p>White PET or printed PET can provide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clean appearance<\/li>\n\n\n\n<li>Brand printing capability<\/li>\n\n\n\n<li>Better visual quality<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Mechanical Reinforcement<\/h3>\n\n\n\n<p>PET improves:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tensile strength<\/li>\n\n\n\n<li>Dimensional stability<\/li>\n\n\n\n<li>Processing performance<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Aluminum Foil Layer<\/h1>\n\n\n\n<p>The aluminum foil is the core functional layer.<\/p>\n\n\n\n<p>Its main functions include:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Radiant Heat Reflection<\/h2>\n\n\n\n<p>Aluminum foil has excellent reflective properties.<\/p>\n\n\n\n<p>It helps reduce:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Radiant heat transfer<\/li>\n\n\n\n<li>Solar heat gain<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. Vapor Barrier Performance<\/h2>\n\n\n\n<p>The aluminum layer provides extremely low moisture permeability.<\/p>\n\n\n\n<p>Applications :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vapor barrier systems<\/li>\n\n\n\n<li>Insulation protection<\/li>\n\n\n\n<li>Thermal protection systems<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. Gas and Moisture Barrier<\/h2>\n\n\n\n<p>The aluminum layer helps protect against:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Water vapor<\/li>\n\n\n\n<li>Oxygen transmission<\/li>\n\n\n\n<li>External environmental influence<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Inner PET Layer<\/h1>\n\n\n\n<p>The inner PET layer provides:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Protection During Processing<\/h2>\n\n\n\n<p>It improves:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lamination stability<\/li>\n\n\n\n<li>Handling strength<\/li>\n\n\n\n<li>Production consistency<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Durabilit\u00e9 accrue<\/h2>\n\n\n\n<p>Compared with single aluminum foil:<\/p>\n\n\n\n<p>PET\/AL\/PET structures provide:<\/p>\n\n\n\n<p>\u2714 Better tear resistance<\/p>\n\n\n\n<p>\u2714 Better folding resistance<\/p>\n\n\n\n<p>\u2714 Improved dimensional stability<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">3. Why Use PET Instead of Kraft Paper?<\/h1>\n\n\n\n<p>Traditional insulation facing materials often use:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kraft paper<\/li>\n\n\n\n<li>Scrim reinforcement<\/li>\n<\/ul>\n\n\n\n<p>Examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FSK<\/li>\n\n\n\n<li>DFC<\/li>\n<\/ul>\n\n\n\n<p>However, PET-based structures provide different advantages.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Kraft Paper<\/th><th>PET Film<\/th><\/tr><\/thead><tbody><tr><td>Moisture Resistance<\/td><td>Moderate<\/td><td>Excellent<\/td><\/tr><tr><td>Surface Cleanliness<\/td><td>Standard<\/td><td>Better<\/td><\/tr><tr><td>Dimensional Stability<\/td><td>Lower<\/td><td>Higher<\/td><\/tr><tr><td>Appearance<\/td><td>Natural<\/td><td>Premium<\/td><\/tr><tr><td>Printing Capability<\/td><td>Limited<\/td><td>Better<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Therefore:<\/p>\n\n\n\n<p>PET\/AL\/PET is often selected for applications requiring:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Higher barrier performance<\/li>\n\n\n\n<li>Better appearance<\/li>\n\n\n\n<li>More durable surface protection<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">4. PET Aluminum Foil PET vs Other Aluminum Composite Structures<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">PET \/ AL \/ PET<\/h2>\n\n\n\n<p>Avantages :<\/p>\n\n\n\n<p>\u2714 High barrier performance<\/p>\n\n\n\n<p>\u2714 Strong durability<\/p>\n\n\n\n<p>\u2714 Premium appearance<\/p>\n\n\n\n<p>Applications :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reflective vapor barrier<\/li>\n\n\n\n<li>Industrial insulation<\/li>\n\n\n\n<li>High-performance thermal protection<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae-1024x819.png\" alt=\"\" class=\"wp-image-2536\" srcset=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae-1024x819.png 1024w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae-300x240.png 300w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae-768x615.png 768w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae-15x12.png 15w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae-200x160.png 200w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae-600x480.png 600w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/8ebb852d-c54e-4168-b487-7eeb5f0a90ae.png 1402w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Aluminum Foil + Kraft + Scrim<\/h2>\n\n\n\n<p>Example:<\/p>\n\n\n\n<p>FSK<\/p>\n\n\n\n<p>Avantages :<\/p>\n\n\n\n<p>\u2714 Cost-effective<\/p>\n\n\n\n<p>\u2714 Widely used insulation facing<\/p>\n\n\n\n<p>Applications :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Laine de verre<\/li>\n\n\n\n<li>Laine de roche<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Aluminum Foil + Scrim + PE<\/h2>\n\n\n\n<p>Example:<\/p>\n\n\n\n<p>FSV<\/p>\n\n\n\n<p>Avantages :<\/p>\n\n\n\n<p>\u2714 Better moisture resistance<\/p>\n\n\n\n<p>\u2714 Reinforced structure<\/p>\n\n\n\n<p>Applications :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HVAC<\/li>\n\n\n\n<li>Industrial insulation<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">5. Typical Applications<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">1. Reflective Vapor Barrier<\/h2>\n\n\n\n<p>PET\/AL\/PET is suitable for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Roof insulation systems<\/li>\n\n\n\n<li>Wall insulation systems<\/li>\n\n\n\n<li>Building envelope thermal protection<\/li>\n<\/ul>\n\n\n\n<p>Functions:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reflect radiant heat<\/li>\n\n\n\n<li>Control moisture transmission<\/li>\n\n\n\n<li>Protect insulation materials<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1-1024x819.png\" alt=\"\" class=\"wp-image-2537\" srcset=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1-1024x819.png 1024w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1-300x240.png 300w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1-768x615.png 768w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1-15x12.png 15w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1-200x160.png 200w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1-600x480.png 600w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/74f4c71c-cecb-45fc-91f7-06134ef31b46-1.png 1402w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">2. HVAC Insulation<\/h2>\n\n\n\n<p>Applications :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Duct insulation<\/li>\n\n\n\n<li>Thermal insulation systems<\/li>\n<\/ul>\n\n\n\n<p>Avantages :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clean surface<\/li>\n\n\n\n<li>Durable structure<\/li>\n\n\n\n<li>Moisture resistance<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">3. Industrial Thermal Protection<\/h2>\n\n\n\n<p>Used in:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Industrial insulation systems<\/li>\n\n\n\n<li>High-performance barrier applications<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">4. Specialty Packaging and Barrier Applications<\/h2>\n\n\n\n<p>Due to its barrier performance, PET\/AL\/PET structures are also used in industries requiring:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Light barrier<\/li>\n\n\n\n<li>Moisture barrier<\/li>\n\n\n\n<li>Protective laminate structures<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">6. Customization Options<\/h1>\n\n\n\n<p>One of the key advantages of aluminum composite materials is flexibility.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236-1024x819.png\" alt=\"\" class=\"wp-image-2538\" srcset=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236-1024x819.png 1024w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236-300x240.png 300w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236-768x615.png 768w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236-15x12.png 15w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236-200x160.png 200w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236-600x480.png 600w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/f7dae454-602e-4b0d-91e8-4f2fa9f8ccc3-\u5b9a\u5236.png 1402w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>OPERFECT can support customization including:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PET Film<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Transparent PET<\/li>\n\n\n\n<li>White PET<\/li>\n\n\n\n<li>Printed PET<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Aluminum Foil<\/h2>\n\n\n\n<p>Different thickness options:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>7\u03bcm<\/li>\n\n\n\n<li>9\u03bcm<\/li>\n\n\n\n<li>12\u03bcm<\/li>\n\n\n\n<li>18\u03bcm<\/li>\n\n\n\n<li>25\u03bcm<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Composite Structure<\/h2>\n\n\n\n<p>Examples:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PET \/ AL \/ PET<\/li>\n\n\n\n<li>PET \/ AL \/ PE<\/li>\n\n\n\n<li>PET \/ AL \/ Nonwoven<\/li>\n\n\n\n<li>AL \/ PET \/ Kraft<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Product Specifications<\/h2>\n\n\n\n<p>Customization:<\/p>\n\n\n\n<p>\u2714 Width<\/p>\n\n\n\n<p>\u2714 Roll length<\/p>\n\n\n\n<p>\u2714 Packaging<\/p>\n\n\n\n<p>\u2714 Printing<\/p>\n\n\n\n<p>\u2714 Application requirements<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">7. Manufacturing Considerations<\/h1>\n\n\n\n<p>High-quality PET aluminum foil PET requires:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Stable Lamination Process<\/h2>\n\n\n\n<p>Important factors:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Adhesive selection<\/li>\n\n\n\n<li>Bond strength<\/li>\n\n\n\n<li>Surface treatment<\/li>\n\n\n\n<li>Temperature control<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Quality Control<\/h2>\n\n\n\n<p>Typical inspections include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peel strength<\/li>\n\n\n\n<li>Thickness measurement<\/li>\n\n\n\n<li>Appearance inspection<\/li>\n\n\n\n<li>Lamination consistency<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Why Choose OPERFECT PET Aluminum Composite Solutions?<\/h1>\n\n\n\n<p>OPERFECT specializes in customized aluminum foil composite materials.<\/p>\n\n\n\n<p>Our capabilities include:<\/p>\n\n\n\n<p>\u2714 Aluminum foil lamination technology<\/p>\n\n\n\n<p>\u2714 Multiple composite structures<\/p>\n\n\n\n<p>\u2714 OEM production<\/p>\n\n\n\n<p>\u2714 Customized specifications<\/p>\n\n\n\n<p>\u2714 Insulation facing solutions<\/p>\n\n\n\n<p>\u2714 Thermal protection materials<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">OPERFECT Thermal Protection System<\/h1>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6-1024x819.png\" alt=\"\" class=\"wp-image-2539\" srcset=\"https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6-1024x819.png 1024w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6-300x240.png 300w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6-768x615.png 768w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6-15x12.png 15w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6-200x160.png 200w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6-600x480.png 600w, https:\/\/unitedperfect.com\/wp-content\/uploads\/2026\/08\/foil\u901a\u7528-\u56fe6.png 1402w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Our solutions include:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Insulation Facing Materials<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FSK<\/li>\n\n\n\n<li>DFC<\/li>\n\n\n\n<li>FSV<\/li>\n\n\n\n<li>Heat Sealing Foil<\/li>\n\n\n\n<li>ALU-GLASS<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Reflective Barrier Materials<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PET Aluminum Foil PET<\/li>\n\n\n\n<li>Aluminum foil nonwoven composite<\/li>\n\n\n\n<li>Multi-layer barrier films<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Frequently Asked Questions<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">What is PET Aluminum Foil PET?<\/h2>\n\n\n\n<p>It is a three-layer composite consisting of PET film, aluminum foil, and PET film, designed for high-performance barrier applications.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Why add PET film to aluminum foil?<\/h2>\n\n\n\n<p>PET improves mechanical strength, surface protection, durability, and dimensional stability.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Is PET\/AL\/PET suitable for insulation applications?<\/h2>\n\n\n\n<p>Yes. It is suitable for reflective vapor barriers, thermal insulation systems, and industrial protection applications.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Can PET aluminum foil composites be customized?<\/h2>\n\n\n\n<p>Yes. Structure, foil thickness, PET type, width, printing, and packaging can be customized according to customer requirements.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">What is the difference between PET\/AL\/PET and FSK?<\/h2>\n\n\n\n<p>PET\/AL\/PET focuses on high barrier performance and durability, while FSK is a traditional reinforced insulation facing structure using kraft paper and fiberglass scrim.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Related Technical Articles<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Technical Center 002: Understanding Aluminum Foil Lamination Structures<\/li>\n\n\n\n<li>Technical Center 003: How Aluminum Foil Provides Thermal Reflection and Vapor Protection<\/li>\n\n\n\n<li>Technical Center 017: Multi-Layer Aluminum Composite Barrier Materials<\/li>\n\n\n\n<li>Technical Center 022: Reflective Vapor Barrier for Building Envelope Applications<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Contact OPERFECT<\/h1>\n\n\n\n<p class=\"has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-c6bcbc39759f8e0cd703ebe678e2dc23\"><strong>United Perfect Group<\/strong>\uff0c<strong>To Make Buildings Perfect, together.<\/strong><\/p>\n\n\n\n<p><strong>Global Business Director:<\/strong> Mr. Du<\/p>\n\n\n\n<p><strong>WhatsApp \/ WeChat:<\/strong> +86 134 2613 0536<\/p>\n\n\n\n<p><strong>Courriel :<\/strong> <a href=\"mailto:export@unitedperfect.com\">export@unitedperfect.com<\/a><\/p>\n\n\n\n<p><strong>Site web :<\/strong> <a href=\"https:\/\/unitedperfect.com\/fr\/\">www.unitedperfect.com<\/a><\/p>\n\n\n\n<p>Products:<a href=\"https:\/\/unitedperfect.com\/fr\/produit\/aluminum-foil-laminated-pe-pet\/\">Aluminum foil laminated PE &amp; PET &#8211; Manufacturer of foil lamination, Roofing &amp; walling, Insulation &amp; acoustic, Fiberglass .<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>PET Aluminum Foil PET Composite Explained Understanding High-Performance PET \/ Aluminum Foil \/ PET Barrier Structures Category Thermal Protection Technical Center Focus Keywords Introduction In modern thermal protection and insulation systems, aluminum foil composite materials are widely used because of their excellent combination of: Among different laminated structures, PET \/ Aluminum Foil \/ PET composite [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2534,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[102],"tags":[],"class_list":["post-2533","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/posts\/2533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/comments?post=2533"}],"version-history":[{"count":1,"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/posts\/2533\/revisions"}],"predecessor-version":[{"id":2540,"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/posts\/2533\/revisions\/2540"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/media\/2534"}],"wp:attachment":[{"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/media?parent=2533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/categories?post=2533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unitedperfect.com\/fr\/wp-json\/wp\/v2\/tags?post=2533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}