LOCTITE 5970 is a product from Henkel, a silicone sealant (gasket maker), widely used in applications where sealing flanges and mating surfaces is needed, mainly in engineering and the motor industry. Features of LOCTITE 5970: Form: Black silicone. Pack: A 50ml tube. Application: It forms a flexible, hard-wearing gasket directly at the point of application. Resistance: Temperatures from -55°C to +200°C (with resistance for a short time up to +250°C). Resistance to oils, lubricants, water and coolants. Drying time: "Skin over time": about 25 minutes. Full cure in 24 hours. Flexibility: High — ideal for applications subject to vibration or thermal expansion.