DUphragm We manufacture Diaphragm rubber coated with both Molded PTFE Diaphragm and DIE-CUT PTFE Diaphragm for applications such as Diaphragm Valves and Diaphragm Pumps etc. which are coated with PTFE with thickness 0.5 /0.8 / 1.00 and 3 mm as per Spec. Tel: 0621515494 Line@: @ptistock