Good performanceof silicone diaphragm: The silicone diaphragmhas excellent high/low temperature resistance,oil and fuel resistance,weathering resistance,Ozone resistance,etc.Payment term of silicone diaphragm: Sample mold of silicone diaphragm: 100% prepaid by T/T in advance,balance50% paid after samples approval Goods of siliconediaphragm: 50%deposit,50% before shipment byT/T,L/C,Western Union, ...