This general-purpose, single-component, silicone adhesive sealant cures at room temperature to form a tough rubber seal. This black, thixotropic paste can withstand a temperature range of -54 to 232 Degrees C and has a flashpoint of greater than 93 Degrees C. It begins to harden in 30 minutes and fully cures in 24 hours. This non-toxic, non-flammable product comes in a 300-millilitre cartridge.