Gasketing Product ? very good oil resistance. Ideal for use where high vibration or flexing occurs. LOCTITE SI 5970 is a silicone sealant and cures on exposure to moisture in the air to form a tough rubber gasket. The product is designed primarily for flexible flange sealing. It is ideally used where high vibration or flexing occurs. It is tack-free after just 25 min. The product can be used on machined or cast surfaces, metal, plastic or painted parts. Replacement for cork and paper cut gaskets on flanges and stamped sheet metal covers Can be used with plastic and painted parts Tack-free after 25 min. Ideal for use where high vibration or flexing occurs Technical Information Color Black Extrusion Rate 60.0 g/min. Key Characteristics Oil Resistance: Excellent Oil Resistance Operating Temperature -55.0 ? 200.0 C (-65.0 ? 400.0 F ) Substrates Metal, Plastic Tack Free Time 25.0 min.