2011 New plasticizer for glass products 1.Purity:99.3 min 2.ISO,CIQ, ... ,SGS,Certificate 3.light color ,high efficiency, 2011 New plasticizer for glass productsPolyol benzoate could be replace the dioctyl phthalate and ... , the foreign have been widely used in the early 1970s for molding of PVC products, Union Carbide Corporation (VCC), Harwick, etc. companies ...