按照日本工业品管理条例的塑料光亮剂定义，塑料光亮剂产品必须具有如下特征
According to the definition of plastic brighteners in Japan's Industrial Management Ordinance, the products of plastic brighteners must have the following characteristics
1、光亮效能高而持久，不能轻易抹去，表面成膜。
1, the luminous efficiency is high and durable, can not be easily erased, surface film formation.
2、不降低塑料制品的物理性能及二次加工的性能。
2, do not reduce the physical properties of plastic products and the performance of the two processing.
3、本身热稳定性及化学稳定性优良，在加工过程中不分解不挥发。
3, its thermal stability and chemical stability is excellent, it does not decompose and do not volatilize during the processing.
4、不腐蚀设备不污染产品。
4, no corrosion of the equipment does not pollute the product.
5、无毒性。
5, non-toxic.
从国外塑料光亮剂的定义看，我们市场上能称为塑料光亮剂的只有3、4二类产品。
According to the definition of plastic brighteners abroad, only 3, 4 and two products can be called brighteners in our market.