Bondloc Gasket Seal Type B518 is a Red, smooth, thick paste. Easily applied, cures once confined between the parts to form in place a tough, flexible gasket. Gives an instant low pressure seal. Used for fuel and water pumps, split crank cases on engines, gearbox covers, engine thermostats, air compressor end cap, engine timing cam covers onto blocks, pump couplings, fuel tanks on small implements, chain saws, lawn mowers etc. Use B518 for dressing gaskets, spacers etc. Specifications: Resin: Modified Urethane Acrylate.Colour: Red Paste.Fixture Speed No Activator: Up to 12 hours.Fixture Speed With Activator: <2 hours.Viscosity: >3,500,000 cps.Gap fill: 0.5 mm.Flash point: >100°C.Shelf life: 12 months @ 20°C.Specific gravity: 1.13.Max operating temp: -55°C to + 150°C. Cured Performance: Full Cure Time: 12 hours.Tensile strength: 8 N/mm(2).Static Shear strength: 12.5 N/mm(2). Size: 50ml. Static Shear strength: 12.5 N/mm(2). Size: 50ml.