3-Layer PET Film for Anodized Aluminum
author: Shenzhen Guangda Yuan Film Co., Ltd.
2025-11-25
“Film stripped the anodized layer!” A California builder learned this costly lesson the hard way, incurring an $800 repair bill. The culprit? Rigid glue on a budget film that mercilessly tore through the crucial 15μm protective anodized coating. This cautionary tale underscores the need for a protective solution that balances strength with delicacy, and that’s precisely what our 3-Layer PET Film offers.
Co-developed in collaboration with HIT, a leader in material science, our film features a cutting-edge 5μm silicone adhesive layer. With 50% higher elongation than standard adhesives, it adheres firmly yet peels away effortlessly, leaving no residue or damage. The 8μm middle buffer layer acts as a shock absorber, diffusing impacts to safeguard the anodized surface. Meanwhile, the 12μm rigid outer layer, boasting an HB hardness rating, provides robust scratch resistance. Cured at a precise 60℃, our film avoids any chemical reactions with the porous oxide layers of anodized aluminum, ensuring compatibility and long-lasting protection.
In salt spray tests, simulating the harsh conditions of coastal environments, our PET film excelled, enduring over 480 hours—twice the industry standard. Real-world results speak volumes: a Texas client reported zero coating damage after applying our film to 1,000 anodized profiles. Maintaining a consistent thickness of 25μm±1μm across the roll, our film delivers uniform protection from edge to edge.
Safeguard your anodized aluminum surfaces from costly damage. Discover the difference of our 3-Layer PET Film and request a sample today at //www.petprotectivefilm.com/en/contact-us.html.
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