Technical Guide: Removing Residue from PU - Adhesive PET Protective Film Applications
author: Shenzhen Guangda Yuan Film Co., Ltd.
2025-06-02
Residue after removing PU - adhesive PET protective films often results from adhesive formulation and application conditions. Everbright Far’s R&D collaboration with Harbin Institute of Technology yields films with temperature - stable PU adhesives, minimizing residue across a wide range of - 20°C to 80°C.
Removal techniques:
- Thermal Cycling: For large surfaces, use a cold pack to harden the residue, then gently peel it off.
- Plasticizer Application: Apply a small amount of PVC plasticizer to non - sensitive surfaces to break down adhesive bonds.
- Steam Treatment: Use low - pressure steam to soften the adhesive, then wipe with a clean microfiber cloth.
The films are ideal for solar panel protection, aviation cockpit display shielding, and medical imaging device coating. Everbright Far’s custom solutions, including adjustable adhesion strengths, allow clients to choose films that match their specific post - removal needs, ensuring hassle - free protection.
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