... PP,RPP,PVC,CPVC,PVDF Size:50mm,76mm,100mm Professional experience in production & export ISO9001-2008 certified Plastic Heilex Ring (Tower Packing ... )1)ISO 9001:2008 2)Size: 50mm,76mm,100mm 3)Material: PP,PE,PVC ... etc. Physical & Chemical properties of plastic tower packing Performance / MaterialPEPPRPPPVCCPVCPVDFDensity (kg/m3)0.94-0 ... Heilex Ring for Tower Packing Media (PP Heilex Ring)