Soft cork-elastomer jointing of closed-cell construction based on polychloroprene elastomer. Previously designated Lioncelle® CS. Prime features Seals efficiently at low bolt loads and on uneven or delicate flanges. Exceptional oil resistance. Suitable for low-medium fluid pressures. +100°C maximum operating temperature in liquids. Retains flexibility down to -30°C. Specifications Complies with ASTM F104 P2357A. Fluid compatibilities Suitable for use with air (at low pressures), water, alcohols, fuel and diesel oils, mineral lubricating oils, mineral hydraulic fluids, water/glycol, ASTM Oil No 1, IRM903 oil, ASTM Fuel A, BS 148 Transformer Oil. Physical properties (Tested to ASTM F104 procedures) Hardness, IRHD: 30 to 50 (ASTM D1415) Tensile strength, MPa minimum: 0.53 (ASTM F152B) Compressibility @ 0.7N/mm², %: 25 to 45 (ASTM F36F) Recovery, minimum %: 75 (ASTM F36F) Fluid resistance, % volume change in: ASTM Oil No 1, 72h @ 100°C: -10 to +10 (ASTM F146) IRM903l, 72h @ 100°C: +15 to +50 (ASTM F146) ASTM Fuel A, 22h @ ambient: 0 to +25 (ASTM F146) BS 148 Transformer Oil, 14 days @ 90°C: +15 (ASTM F146)