PVC, Polyvinyl Chloride is a plastic polymer widely made from CaZn Stabilizers as raw material. And used in things from soles for comfortable lightweight footwear, PVC foam, foamed sheets and profile. PVC Soles are mainly done with direct injection process but also be made as PVC foam boards which are calendared and cut. It has good flexing and abrasion resistance at low cost. A certain sweet smell also characterizes PVC. There is also a type of semi-rigid PVC foam injection sole with good stability, no yellowing in processing, fine cells, excellent foam adjustment and lubricity, high heat resistance, good initial coloring, and good weather resistance.