This product is mainly used for PVC Panel , it is include antioxidants, internal and external lubrication components. Because this product contains the compound antioxidant system and other functional polymer additives, can obviously improve the quality of the PVC Panel surface and its mechanical properties. This series of products with excellent thermal stability and good processability, reasonable formula design, and balance inside and outside lubrication system, so, not need to add or less add lubrication.