Most of such resin contains benzene ring. But there is substituent group on the benzene ring that can be easily eliminated from human body by metabolism. Therefore, compared to benzene, it does less harm to human body because it has less toxicity. Besides, halohydrocarbon also has a certain toxicity and also does certain harm to human body and environment.
Coating hard screen with protective film does have its advantages.But it also bring the trouble which is uneven heat dissipation as well as expansion when heated and contraction when cooled. And it's uncertain whether the image quality can be affected.Apart from that, Computer radiation is another problem. As a kind of modern high-tech products and electrical equipment, computer does make people's life more convenient, efficient and joyful. But at the same time, there are some unfavorable factors which may do harm to human health. The hidden trouble of the computer to human health, in terms of radiation type, mainly refers to various radiation "pollution" including electromagnetic radiation from the computer at work (all kinds of electromagnetic radiation and electromagnetic wave, etc.), sound (noise), light (ultraviolet ray, infrared ray and visible light, etc.).
