MinGraph 2030E Flexible graphite gasket is manufactured from high purity compressed exfoliated/expanded mineral graphite, reinforced with .004" thick SS316L stainless steel tang(perforated steel). This material is chemical resistant, compatible with most corrosive chemicals, heat and flame resistant, radiation resistant, thermal conductive, electric conductive. 2030E is an ideal sheet gasket material for most industrial fluid sealing applications, especailly high temperature high pressure oil or chemical applications.