PVC resin Polyvinyl Chloride Resin SG3 SG5 SG8 GB5761-1993 Inspection item Guaranteed Value K value 72 71 68 66 59 ... Eye(/400cm2) <20 <20 <20 Plasticizer absorption of 100g resin >26 >20 >14 Whiteness(160,after 10 min.)% > ... in the insulation material of PVC tube,panel,hard transparent sheet,foil,disc,PVC monofilament,blow molding product, ... ,net weight 25kg.Annual capacity: 60000 ton. PVC resin