General service non-asbestos jointing manufactured from heat resistant synthetic fibre and polymer. The printed green 25mm squares assist when cutting and making gaskets. Performance: Max. Temperature 400oC, Max. Pressure 6.9 N/mm2, Tensile Strength 10.3 N/mm2 (1500 psi, Density 1.95 gm/cc Applications: For sealing against steam, water, oils, gases, dilute acids and alkalis.