... the old pvc panel defect.2,The panel adopts hollow structure, reduce the heat transfer. bring warm winter and ... ;Campece panel VS Ordinary panel PerformanceOrdinary PVC wall panel Campece PVC wall panelThe main raw materialOrdinary PVC material and ... and America.StabilityVolatile plasticizer, plate yellow, easy to aging, sheet toughness and color poor, higher the rejection rateNone Plasticizers, ...