... point and heat stability of polymer, improve the properties of plastic, fuser, cellulose ect; protect polynthene, polypropene, polyster ect, ... photosensitive catalyst, it can promote the photochemical degadation of plastic films, reducing white pollution.It is used as medical ingredients ... 25kg/iron drum, 25kg/cardboard box, 25kg/woven plastic bag,25kg/craft bag,100kg/iron drum,125kg/steel ...