... 50kg/per plastic bag 8.Application: Basic chemical raw materials, mainly used in producing Superplasticizer, Dispersant, Phthalic Anhydride, ... of naphthol, naphthylamine, etc. It is the raw materials of producing synthetic resin, plasticizers, rubber antioxidant, surface active ... .High quality with reasonable price.Hebei Shenzhou Hongyuan Chemical Co., Ltd. is a Sino-Japanese joint venture, located in ...