我国过去生产的焊接护目镜和窑炉护目镜,大多数不由专业厂生产,规格极不统一,质量亦存在很多问题。老产品对耀眼的可见光和紫外线虽有一定吸收作用.但红外线的透过率仍很高,防护效果很差;同时各厂生产的镜片色号深浅不一,可见光的透过率一股较低,不利于生产作业。 近年来,我国 China’s past production of welding goggles and kiln goggles, most not by the professional factory production, the specification is very uniform, there are many quality problems. Old products on the dazzling visible and ultraviolet although there is a certain absorption, but the infrared transmittance is still high, the protective effect is poor at the same time the factory production of the lens color depths, the visible light transmittance is lower , Is not conducive to production operations. In recent years, our country