... and welding rod, PVC pipes, PVC windows, do k value 65 PVC Resin powder specificationAverage polymerization drgree1150-1000K Value68-66Viscosity(ml/g ... degree (160,100minlater),%≥ 74Rudimental chloroethylene volume,ppm≤ 8 Character PVC resin Is white or light yellow powder low molecular weight soluble ...