8. L is the initiator of liquid peroxide cyclohexanone, they are cold polyester resin Curing the initiator. Features: no crystallization of winter produce.

• 引发剂L是液态过氧化环已酮，它们是聚酯树脂冷固化成型的引发剂。特点：冬天不会有结晶体产生。收藏指正