Plastic Cascade Mini Ring Packing 
Model  Plastic Cascade Mini Ring Packing
Material PP , RPP , PE , PVC , CPVC , PVDF , etc.
Spec of PP CMR D*H*T Number per m3 Bulk density Surface area Free volume F factor
(mm) PCS (kg/m3) (m2/m3) (%) (m-1)
Dg16 16*8.9*1.1 299136 135.6 370 85 602.6
Dg25 25*12.5*1.4 81500 97.8 228 90 312.8
Dg38 38*19*1 27200 57.5 132.5 91 175.8
Dg50 50*25*1.5 10740 54.8 114.2 92.7 143.1
Dg76 76*37*3 3420 68.4 90 92.9 112.3