spiral wound gaskets: 1.100% original 2.Thinkness:0.5mm or 5.0mm 3.Diameter:15mm-3000mm 4.Material:SS304/316 with graphite spiral wound gaskets 1.Material: SS304,316 with graphite,non asbestos and PTFE etc.2.Thinkness: 0.8mm or 5.0mm 3.Diameter:15mm-3000mm 4.Shape: with inner ring,whth outer ring,with inner&outer ring5.Feature: high mechanical strength,temp resistance,convenient application6. ...