光亮剂也叫做亮光剂或表面光处理剂，主要功能就是修补塑料制品表面的平整度，崔进表面成膜，进而提高产品表面的光亮度，很多产品在加工的工艺完成以后表面会有油渍或者是在加工中有稍微的损伤导致产品外表面很难看，也有些产品在加工后光洁度达不到市场要求，这时候就要用亮光剂来进行修 复。
Brightener is also called brightener or surface finishing agent. Its main function is to repair the smoothness of the surface of plastic products, to form film on the surface, and then to improve the brightness of the surface of products. Many products will have oil stains on the surface after the process is completed or slightly damaged in the process, which will make the surface of products ugly. However, some products can not meet the market requirements after processing. At this time, it is necessary to use brightener to repair.
按照市场的需求光亮剂可以分为：塑料光亮剂、皮革光亮剂、油漆光亮剂、金属光亮剂等。
According to market demand, brighteners can be divided into plastic brightener, leather brightener, paint brightener, metal brightener and so on.