kinds of UV glasses, process according to customer's requirements.

UV glass is also called UV filters, that is Ultra Violet. Usually colorless and transparent, but some have added antireflective film in the relationship between viewing angle will show some purple or purple. Many people buy UV lens to protect the delicate lens coatings, in fact this is only one of its subsidiary functions. UV Mirror's main function is to absorb wavelengths below 400 nm UV, while the other visible / not visible light had no filtering effect. It was able to filter UV rays because the lenses contain lead, so UV mirror and other lenses the same size and thickness as compared to heavier.