Application:High-end water supply pipes, drainage pipes, large-diameter pipes, line pipe. Replacement Range:Replaceable lead content: about 35%.Internal and external lubrication content: about 40% (high zinc system). Feature:It has excellent thermal stability and weather resistance, suitable internal and external lubrication, no precipitation, green and non-toxic, and resistant to sulfide pollution.It has a unique coupling effect, and has both toughening and melting promotion effects. It has good plasticizing fluidity, giving the filler good dispersion, improving the encapsulation with resin, improving product performance, reducing mechanical wear, and prolonging the service life of equipment.The product has good mold release, stable production, uniform thickness and excellent surface finish.