Defects in High-Temperature Spraying of Home Appliance Casings? Guangdayuan's PET Film Avoids Them
author: Shenzhen Guangda Yuan Film Co., Ltd.
2025-09-04
In home appliance manufacturing, high-temperature spraying of casings is key to product competitiveness. Manufacturers usually control spraying temperatures between 120-200°C, using electrostatic powder or liquid painting for even coating— enhancing appearance and durability. However, high temperatures and complex processes hide risks: industry research shows unprotected production lines have 80-100 defective products per 1,000 due to paint leakage and scratches, affecting yield and costs.
Shenzhen Guangdayuan Film Co., Ltd.'s high-temperature resistant PET protective film offers a precise solution. Using imported polyester film base and special coating technology, it maintains a low shrinkage rate ≤1.5% at 220°C. Available in 0.03-0.1mm thicknesses, it fits complex casing structures like curves and edges. During spraying, its unique silicone pressure-sensitive adhesive adheres firmly to casings, with a 180° peel force ≤2.5N/25mm— preventing paint penetration. After spraying, it peels off smoothly. Third-party tests confirm residual glue covers <0.01% of the surface, with surface roughness Ra changing only ±0.05μm— achieving "zero damage, zero residue."
With over 10 years in home appliance protection, Guangdayuan has an adaptation system for all casing materials— metal, ABS plastic, PC composites. Its R&D team adjusts adhesive formulas and film treatments, raising yield to over 99.2% for projects like Huawei smart screen backplanes and Midea air conditioner casings. Relying on a 20,000-square-meter intelligent base and ISO 9001 system, it achieves a daily output of 500,000 square meters. It also offers 48-hour urgent sampling and 72-hour order response. With "technology + production capacity + service," it is a long-term partner of Haier and Gree. #//www.petprotectivefilm.com/en/contact-us.html# #Protective film, PET protective film, high temperature resistant PET protective film, Guangda Yuan film, protective film manufacturer#
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