着色剂：着色剂是使塑料具有各种颜色，包括有机染料和无机染料。
Colorant: colorants is make plastic has all sorts of color, including organic dye and inorganic dyes.
润滑剂：润滑剂用于塑料加工成形时防止粘住模具，并使塑料表面光滑美观，常用的是硬脂酸、石蜡等。
Lubricants, lubricants to prevent sticking plastic processing forming mould, and make the plastic surface is smooth and beautiful, commonly used is stearic acid, paraffin wax, etc.
稳定剂：稳定剂是为了防止合成树脂被光和热作用而分解、破坏，常用的是硬脂酸盐、硫醇甲基锡等。硬脂酸盐中的铅遇到酸性或油脂会融出到食物中。
Stabilizer: stabilizers is to prevent synthetic resin destroyed by heat and light effect and decomposition, and commonly used is stearic acid salt, mercaptan methyl tin, etc. Of lead stearate in acidic or grease can RongChu into the food.
填充剂：填充剂的作用是提高塑料的强度和耐热性，并降低成本。常用的有白炭黑、滑石粉等等。
The effect of filling agent, filling agent is to improve the strength of the plastic and heat resistance, and reduce the cost. Commonly used with silica, talcum powder and so on.
