Description Plastic Pall ring is a versatile and economical with well-known performance characteristics. Low pressure drop, high flux , high efficiency , easy to handle. Technical data Spec.D*H*T (mm)Number per m³Bulk density (kg/m³)Surface area (m²/m³)Free volume (%)F factor (m-1)Dg1616*16*1.111200014118891249Dg2525*25*1.25350015017590239Dg3838*38*1.41580098.011589220Dg5050*50*1.5650074.811290154Dg7676*76*2.6193070.9739294 Properties 1.Big free volume 2.Low pressure drop 3.Resist chemical corrosion 4.Good performance of striking 5.Resist nesting and wall-flow effect 6.Gas-liquid with uniform distribution Applications Gas absorption, cooling and gas purification etc.