... with ptfe gaskets material and properties, Yangzhong Tianyou Seals Co.,Ltd is one of the best ptfe gaskets manufacturers and ... film, Wooden Box outsidePort: Shanghai, NingboMOQ: 1pcsDescription: PTFE gaskets, PTFE washers, PTFE sealsSpecifications:1. size: DN10~DN2000( ... filler such as fiberglass, carbon fiber, copper powder, graphite ,MOS2,AL2O3,carbon powder ,the hardness, compression strength ...