PBT resin is one of the top five common engineering plastics. It possesses the following good properties,i.e chemical resistance, abrasion-proof, low friction coefficient, low wet absorption, easy coloring ,fine surface gloss as well as fine electrical, heat mechanical & processing properties. It is widely used in various trades e.g electronics, electricity, optical fiber cable, automobile, communication, information, illumination household electrical appliances and machinery. 25KG/BAG.