... . Our material for tower packing include: PP, PP+Fiber glass, PVC,CPVC,UPVC,HDPE,PVDF,Carbon steel,SS304,SS316,SS304L,SS316L ... ring PTFE bonded EPDM gasket PTFE diaphragm PTFE pall ring PVC pall ring PVDF pall ring round valve trays structure Mellapak ...