Another concern is that the protective film may damage or alter the finish of aluminum alloy surfaces, especially when subjected to extreme heat or pressure.另一个问题是保护膜可能会损坏或改变铝合金表面的光洁度，尤其是在承受极高的热量或压力时。
Solution: Guangda Yuan’s PE protective films are designed with a non-abrasive adhesive that protects the surface without affecting its appearance. The films are carefully tested to ensure that they offer excellent protection while maintaining the original finish of aluminum alloy doors and windows. Their superior durability ensures that they withstand both high and low temperatures without compromising the quality of the aluminum.解决方案：光大远的PE保护膜采用非研磨性粘合剂设计，可以保护表面而不影响其外观。这些薄膜经过仔细测试，以确保它们提供出色的保护，同时保持铝合金门窗的原始光洁度。其卓越的耐用性确保它们能够承受高温和低温，而不会影响铝的质量。
