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.

3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 26597, Cloth Belt 341D, P320 X-weight, 1 in x 42 in, Film-lok, Single-flex, 7010294511, 200 per case
Dynabrade 51865 1.0 hp Trim Router (Complete), 20,000 RPM, 1/4 Collet
3M 87270, Scotch-Weld Epoxy Adhesive DP105, Clear, 200 mL Duo-Pak, 7010309884, 12/case
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
3M 76679, Cloth Belt 777F, 60 YF-weight, 6 in x 48 in, Film-lok, Single-flex, 7000118459, 20 per case
Dynabrade 95394 1/2" NPT Female 3/8" NPT Male, 1-3/4" Length
Insize 6140, DEPTH BASE ATTACHMENT, suitable for calipers with beam width (w) .630", 6928640303579 
