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.

Standard Abrasives 42663, A/O Flap Wheel 625405, 3 in x 1 in x 1/4-20 in 60, 7010369121, 10 per case
3M 06512, Scotch Steel Gray Masking Paper, 06512, 12 in x 1000 ft, 3 per case, 7010327747
3M 87429, Final Finishing Pads 10199NA4PK, 3 3/4 in x 6 in x 5/8 in, Replaces 0000 Steel Wool, 7100096075, 4 pads per pack
ACS Diamond Cloth Belt, CX1250 3" X 30" 60M/250U
3M 06506, Scotch Steel Gray Masking Paper, 06506, 6 in x 1000 ft, 6 per case, 7000045440
ACS CX1250 Diamond Belt, 1/2" X 24" 60u
Dynabrade 92118 1/4" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
3M 14316, Marine Adhesive Sealant 4000 UV, Black, 295 mL Cartridge, 7010367955, 12/Case 
