... and suppliers in China, you can buy our ptfe washers in stock and check the price with our factory. ... Wooden Box outsidePort: Shanghai, NingboMOQ: 1pcsDescription: PTFE gaskets, PTFE washers, PTFE sealsSpecifications:1. size: DN10~DN2000(HG20606-97,HG20627-97 ... -resistance, By adding filler such as fiberglass, carbon fiber, copper powder, graphite ,MOS2,AL2O3,carbon powder ,the hardness, compression ...