Scotch-WeldTM Rubber Toughened Cyanoacrylate RT300B A medium viscosity, rubber-toughened cyanoacrylate adhesive. Displays excellent peel and impact strength and is well suited to applications involving vibration, thermal shock, temperature cycling and high humidity. Colour Grey Chemical Type/Base Modified Ethyl Viscosity (cPs) 600 Max Gap Fill (mm) 0.2 Typical Fixture Time (secs) 5-50 Constant Temperature Range -50 to +105 Full Cure 24hrs Typical Tensile Strength ISO 6922 (N/mm) 20