Why does acrylic mirror deform?亚克力镜子为什么会变形？

1. Acrylic is a thermoplastic plastic, which will cause serious deformation of the mirror surface if used under high temperature for a long time. The deformation temperature of acrylic is 100 ℃, and the continuous use temperature cannot be higher than 90 ℃. Acrylic material itself contains polar side methyl, which has obvious hygroscopicity, and…