If you want to know the knowledge of photochromic lenses, just follow the editor of 1.56 SF Mirror Photochromic Grey lens supplier china!

A fast-change photochromic lens, comprising a lens base layer, a photochromic layer, a barrier layer and a protective layer that are stacked in sequence; the barrier layer is an aqueous thermal curing coating. Further, the fast-change photochromic lens further includes a The hardened layer on the protective layer; the hardened layer can further improve the hardness of the surface of the fast-change photochromic lens. The fast-change photochromic lens of the utility model is provided with a barrier layer between the photochromic layer and the protective layer to protect the The barrier layer cannot directly contact the photochromic layer, and the barrier layer is a water-based thermal curing coating, the barrier layer will not corrode and damage the photochromic layer, so that the life of the fast-changing photochromic lens is greatly improved, and the problem of fast-changing photochromic lenses is solved. The problem of short lifespan of photochromic lenses. At the same time, since the protective layer cannot directly contact the photochromic layer, the depth of lens discoloration will not be significantly weakened, which can effectively improve the depth of discoloration.
The above is the 1.56 SF Mirror Photochromic Grey lens supplier china Xiaobian tells:A brief introduction to some knowledge about color-changing lenses.