This rubber based brush-on liquid tape forms a protective waterproof UV-resistant dielectric seal around spliced electrical wire to protect against corrosion shortages electrical shock and vibration. The quick-drying fluid cures in 24 hours and will not deteriorate or unravel like traditional tape. Resistant to chemicals solvents saltwater and other common fluids to achieve connections that last for decades. To apply shake well then use brush built into the cap to liberally brush the liquid over the splice/connection. Allow to dry for 5 minutes and then re-apply if a thicker application is needed. Ideal for both indoor and outdoor use and under extreme environments including automotive marine farming and agriculture and RV. 4 oz bottle temp range: -30 to 200 degrees F and -34 to 93 degrees C.