steel flat gasket 2.5mm-80mm CS&AS&SS&Rubber ISO9001:2000, ... B16.21,DIN127 ,JIS steel flat gasketType: Spiral wound gasket, oval RTJ, Octagonal RTJ, Lens gasket, corrugated gasket, Camprofil gasket, Double jacket gasket1)Spiral ... wound sealing gasket is devided into A,B,C,D four styles 2)Material:tinplate/304/316+graphite 3)Used ... , then onto pallets,or color small box packing steel flat gasket