What is the difference between anti fog mirror and ordinary mirror

The functions are different: ordinary mirrors have low reflectivity, their reflectivity is about 70%, their shape and color are easy to be distorted, and their service life is short, and their corrosion resistance is poor. The anti fog mirror has high toughness, tensile resistance, long service life and high temperature resistance. Its temperature can be adjusted independently within a certain range, which is not easy to deform and break, and can be reused. Second, the quality is different. The anti fog mirror is waterproof and will not be distorted after a long time, while the ordinary mirror will become spent after a long time.