To be used in rigid PVC foamed board,pipe,window and fitting,profile,sill,floor ... ultra-high viscosityMain ApplicationTo be used in rigid PVC foamed board, pipe, window and fitting, window, etcPVC fitting ... , window and low foamed pipe, board, window, window profile etcTypical CharacteristicExcellent comprehensive property, It ... ChemPA-930- Acrylic processing aid for pvc foam board