The coloring agent allows the plastic to have a variety of bright, beautiful colors. Commonly used organic dyes and inorganic pigments as colorants.
Commonly used stearate, epoxy resin and so on.
In order to prevent the synthetic resin in the processing and use of light and heat during the decomposition and destruction of the role, to extend the service life, to join the stabilizer in the plastic.
The role of the lubricant is to prevent the plastic in the molding does not stick to the metal mold, while the plastic surface can be smooth and beautiful.
Commonly used lubricants are stearic acid and its calcium and magnesium salts.