1.Promote PVC under low temperature melting.
2.Strengthen PVC melting cohesion and homogeneity
3.Strengthen melt strength,elongation,degree of elasticity
4.Reduce molten pulsation and instability, and promote the surface smooth and the quality.
5.Promote PVC uniform plasticizing and melt homogeneity.
6.Have good dispersibility in PVC product.
7.In PVC product havs good surface gloss.
Suited for higher plasticizing speed and low density foaming product.
A.Old and wearable screw
B.High plasticizing capability screw
C.Suited for wall thickness between 2mm and 30mm product.
D.Suited for foaming density beyond 0.3g/cm3 product