... :2000 size:25-50mm material: PP available for stripping, absorbing and washing Plastic tower packings are made from polyethylene(PE),polypropylene(PP),reinforced ... chloride (PVC),chlorinated polyvinyl chloride(CPVC)and polyvinylidene fluoride(PVDF).PP Hollow Ball have a strong resistance to chemical corrosion, large ... ≥6.5≥7.0≥6.0≥8.0≥10.0 PP Hollow Ball