Comprehensive Knowledge of Glasses Manufacturing and Glasses [Part 2]
...... The material and quality of the glasses frame In general, the materials of glasses frames are divided into two categories: metal and plastic. Metals are divided into: titanium and ordinary metal materials. Titanium is divided into alloy titanium, pure titanium, ultra-thin and ultra-light B titanium. Metals are divided into stainless steel, white copper, copper and other materials. A pair of metal frames is often made of several different metal materials according to different structures. For example, in order to make the glasses have a certain elasticity, the bridge and temples of the glasses are mostly made of stainless steel; Plastics are divided into: heavy acetate, thin TR materials, recently started ULTEAM materials, and other plastic products. Glasses made of acetate are the most popular type of glasses in recent years. acetate glasses have the advantages of rich colors, complex structures, and high matching with clothing, so they are loved by many people. The follow...