Create a Strong, Secure Seal
3M™ Black Super Silicone Seal exhibits excellent resistance to vibration, moisture, ozone and extreme temperatures. Our sealer is a paste-like, one-component material that cures to a tough, rubbery solid when exposed to moisture in the air. This silicone seal comes in a tube for easy dispensing and application convenience.
Exceptional Resistance to Real-Life Conditions
Our silicone seal delivers toughness and durability when exposed to common environmental effects. It exhibits high temperature resistance, good weathering resistance and good water resistance.
Performance Properties
This sealer will dry tack free in 15 to 20 minutes and has a cure-thru time (1/8 inch thickness) in 24 hours.
Typical Applications
- Sealing automotive trim
- Sealing drip rails
- Sealing taillight and assemblies
- Filleting and caulking joints to provide a water and dust barrier
NOTE: May cause crazing or hazing on optically clear plastics. May cause softening or weakening of plastic parts. Will cause accelerated rusting (oxidation) on bare metal surfaces. Test for compatibility with materials being repaired to determine whether product is suitable for use and method of application.

ACS Diamond Cloth Belt, CX1250 3" X 30" 75U
3M 42728, Impact Stripping Tape 500, Green, 12 in x 10 yd, 36 mil, 1 Roll/Case, 7010373675
3M 17298, Cubitron ll Cloth Belt 784F, 60+ YF-weight, 1/2 in x 12 in, Fabri-lok, Single-flex, 7010532459, 200 per case
3M 16023, PPS Cup & Collar, Large, 7000000642
3M 65086, Scotch-Brite Diamond Wheel, 6" x 1" x 1" 645DC, 7010329878
3M 05612, Polyurethane Glass Adhesive Sealant 590, Black, 600 mL Sausage Pack, 7000121536, 12/Case 
