Plastic cascade ring random packing 1.lower pressure drop 2.fast delivery,low price 3.PP,RPP,PVC,CPVC,PVDF. 4.ISO9001:2008 product name:Plastic cascade ring random packingfeatures of Plastic cascade ring Plastic cascade random packing can reduce air circuit resistance and the intensity of packing, and gas-liquid contact area. It has features such as large void space, low pressure drop, low mass- ...