Sticky in the Swelter: Guangdayuan's PU Film
author: Shenzhen Guangda Yuan Film Co., Ltd.
2025-05-29
Heat and adhesion have long been foes—until Guangdayuan’s PU adhesive PET film arrived. Its secret? A "thermo-reinforcing" mechanism that turns heat from an enemy into an ally.
The Heat-Resistant Triad
- Top Layer: Anti-scratch PET that withstands 120°C.
- Middle Layer: Cross-linked PU adhesive with thermal memory.
- Bottom Layer: Primer coat that enhances substrate bonding at high temps.
Result: At 80°C, peel force of 25g/25mm—same as at room temperature.
Hot-Spot Applications
- Motorcycle Engines: Heat shields and cylinder covers.
- HVAC Equipment: Ductwork seals and condenser protections.
- Food Processing: Oven conveyor belts and packaging machines.
- Outdoor Electronics: Streetlight sensors and traffic signal components.
Thermal Adhesion Kit
Contact +86 189 2845 6898 for a thermal test kit, including:
- Heat chamber test protocol
- Peel force comparison charts
- Application guide for high-temp surfaces
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