... gas: 1.material:PE,PP,RPP,PVC,CPVC,PVDF 2.diameter:16mm,25mm,38mm,50mm,76mm Plastic tower packing is made ... °Cto 150°C. For these reasons it is widely used in the packing towers in petroleum industry, chemical industry, alkali-Chloride industry, coal gas ... *76*2.6739219305876*76*2.673 plastic pall ring packing used in the packing towers in petroleum industry