Pure titanium optical frames refer to titanium metal materials with a titanium purity of more than 89%, high melting point, light material, strong corrosion resistance, and a strong electroplating layer. Its full name is PURETITANIUM, or abbreviated as Ti-P, etc. It belongs to space materials and has the characteristics of light weight, good corrosion resistance, high toughness, high melting point, acid and alkali resistance, high stability, and good affinity to the human body. It is used in optical frames for its light weight, elasticity, and corrosion resistance. The production cost of pure titanium optical frames is very high, and it has high requirements in bending, stamping, cutting and welding. It is not easy to weld and electroplate, and welding must be done in a vacuum.