... polynthene, polypropene, polyster ect, from depolymerization caused by ultraviolet.Used in luminous sensitive materials, it can replace silver on ... making large scale integrated circuit board, enhancing light sensitivity by four times, improving accuracy, simplifying technical process, ... drum, 25kg/cardboard box, 25kg/woven plastic bag,25kg/craft bag,100kg/iron drum,125kg/steel drumProduction Capacity: ...