ptfe shim 1. FDA, ROSH certification 2. customize ptfe gasket 3. Factory price ptfe shim We can ... . Customize ptfe gasket3. Factory priceFilled Material reinforced:1) Graphite filled, increase thermal conductivity, lubrication, abrasive ... increase intensity Item namePTFE Component&gaskets & jointings &shim SizeCustomized/standard and nonstandardBrand NameDFMaterialPTFECertificateSGS /ROHS/FDAColorRed, ...