... drawing, oval sharp spiral wound gasket can provide.If the gasket is used on the heat exchanger with reinforcing rib, ... aerospace industries. FillerGraphitePTFE/TeflonAsbestosNon asbestosCeramicDimension1/2’’-60’’ 150LB to 2500LBTemperature (°C)-212~+550-240~+250-198~+450-120 ... .5mm/4.8mm or as requirement drawing makingMaterial Steel tape/ SS304, ss304L ,316, 316L, ss31803, inconel , monel,SS32205, ...