May 19, 2019 · Simply squeeze it right from the tube, easily brush and spread as needed on each surface, and let it cure for up to 24 hours. The adhesive remains flexible, yet it resists nearly any condition you’re likely to encounter in your vehicle — wind, rain, vibration, temperature changes, detergents, grease and more. Nov 30, 2017 · Permatex 82195 Ultra Grey Rigid High-Torque RTV Silicone Gasket Maker, 13 oz. ... Permatex 82180 Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker, 3.35 oz ... Adequate cure time is critical for achieving a good seal when using RTV! Most sealants require a minimum of 1 hour cure time to make any kind of seal. The longer you wait the better, overnight if possible, especially when using synthetic gear lubricants. Do not rush the cure time! 3M Ultrapro Autobody Sealant, 08300, Tan, 1/10 gal Cartidge. Quick-skinning, fast-curing and rapid-drying sealant for high-speed application Sealant remains flexible over time High solids adhesive provides low shrinkage for reliable results Common, easy-to-use cartridge system more