Statotherm P Foil 9591 is a gasket sheet consisting of unreinforced, flexible graphite foil with a purity of ≥ 99.85% and a low ash content.Statotherm P foil 9591 a basic gasket material without measurable cold or warm flow, making it usable as a gasket material for fittings and pumps in all branches of industry (especially for emergency repairs and complicated shapes). Equates to the SGL Sigraflex standard.