Plastic Pall Ring Packing 
Model Plastic Pall Ring Packing
Material PP , RPP , PE , PVC , CPVC , PVDF , etc.
Spec of PP Pall Ring D*H*T Number per m3 Bulk density Surface area Free volume F factor The specification based on PP material
(mm) PCS (kg/m3)  (m2/m3) (%) (m-1)
Dg16 16*16*1.1 112,000 141 274 91 249
Dg25 25*25*1.2 53,500 150 175 90 239
Dg38 38*38*1.4 15,800 98 115 89 220
Dg50 50*50*1.5 6,500 74.8 112 90 154
Dg76 76*76*2.6 1,930 70.9 73 92 94