... , Oxytetracycline, Phenobarbital, and Borneol, etc. 3. In Light industry: polishing for Marble, rust-remover, bleaching, dirt-remover, leather-processing, wood ... . In organic synthetic: used in 2133 resin, Urea-formaldehyde molding powder, Butadiene catalyst, etc. 6. In electron industry: preparation of ... , raw material of chemicals. reliable supplier of oxalic acid powder 99.6%min from China