Blue Silicone | J-B Weld

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Set Time

1 Hour

Cure Color

Blue

SENSOR SAFE

J-B Weld Blue Silicone Gasket Maker & Sealant is an RTV (Room Temperature Vulcanized) Silicone gasketing material designed for use in mechanical assemblies, sealing and bonding uneven surfaces. Upon curing, which occurs when the product is exposed to the moisture in air, the silicone forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering, is sensor safe and is great for many automotive applications.

Great For

Timing Gear Covers
Transmission Pans
Oil Pans
Water Pumps
Valve Covers
Differential Covers
Thermostat Housings

Use On

Automotive
Metal
And More

Get The Safety Data Sheet

It's Easy To Get
The Fix You Need

1

Prepare

2

Apply

3

Assemble

4

Secure

5

Dry

6

Finish

1

Prepare

For best results, clean and dry surface area

2

Apply

Apply even, continuous ¼ inch bead of Silicone to one surface area. Surround all bolt holes with Silicone.

3

Assemble

Reconnect parts while Silicone is wet.

4

Secure

Hand tighten until Silicone begins to squeeze out.

5

Dry

Allow drying for 1 hour and then tighten an additional ½ turn.

6

Finish

Scrape or cut away excess cured sealant. Silicone will fully cure in 24 hours.