The main materials of plastic caps include a variety of plastics, such as ABS, PP, PMMA, PC, PCTG and so on. These materials have their own characteristics and are suitable for different types of cosmetic bottle caps.
ABS: high hardness, but the color may be yellow or milky white, not environmentally friendly, can not be directly in contact with cosmetics, food, in the cosmetic packaging materials are generally used to make inner cover, shoulder cover and other materials.
PP: is a widely used plastic material, with good acid and alkali resistance and heat resistance, suitable for making a variety of cosmetic bottle caps.
PMMA: With high transparency and excellent processing properties, it is often used to make cosmetics bottle caps that require high transparency.
PC: Has high strength, high transparency and good impact resistance.
PCTG: a transparent plastic, with glass-like transparency and close to the density of glass, high gloss, chemical corrosion resistance, impact resistance, easy processing, injection molding, injection blow molding and extrusion blow molding, suitable for the production of high-grade cosmetic bottle caps.