Research development new color lens company sales

Tongren Hui (Chongqing) Technology Co., Ltd.  The product is hema as the main material of hydrogel, refractive index 1.433-1.440, oxygen permeability coefficient (DK value) 10, water content 40%±2%, diameter 14.2±0.2, base arc 8.6±0.2, thickness 0.06-0.14. Colored contact lenses are the exclusive standard for more and more young and colorful girls who love fashion and trends. Large number of luminosity range lenses, 24 hours expired enlarged contact lensesAnnual polishing lens, Learn to use contact lenses Custom optical contact lenses Production standards, color contact lenses are generally HEMA mixed materials, HEMA as the matrix, adding other accessories to the hydrophilic soft lens material. It is then dyed or painted for cosmetic and orthopedic eye use. Color contact lenses belong to the soft contact lens (SCL) the main components are the following. (1) Polyhydroxyethylmethacrylate (PHEMA). (2)HEMA mixed material, a hydrophilic soft mirror material with HE…