10 Best HIGH Temp Silicone Sealants
for May 2022

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

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Surebond-SB-188 T High-Temp Silicone Sealant, 10.3 fl. oz. Cartridge - Black

Surebond-SB-188 T High-Temp Silicone Sealant, 10.3 fl. oz. Cartridge

Black

by SUREBOND
What We like

Item Package Weight: 10.0 lb

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Product Features

  • Insulates electrically and thermally
  • High-temperature silicone sealant
  • Item Package Dimension: 8.0" L x 6.0" W x 11.5" H

Item package dimension: 8.0" l x 6.0" w x 11.5" h High-temperature silicone sealant Insulates electrically and thermally

2
9.7
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Food Grade NSF FDA RTV Silicone Sealant Adhesive Red High Temp 10.3oz (Standard Version) (Standard Version, 2-Pack)

Sil-Bond Food Grade NSF FDA RTV Silicone Sealant Adhesive Red High Temp 10.3oz (Standard Version) (Standard Version

2-Pack)

by Sil-Bond
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3
9.2
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Food Grade NSF FDA RTV Silicone Sealant Adhesive Red High Temp 10.3oz (Standard Version) (Standard Version)

Sil-Bond Food Grade NSF FDA RTV Silicone Sealant Adhesive Red High Temp 10.3oz (Standard Version) (Standard Version)

by Sil-Bond
What We like

Self cureing, easy to apply

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Product Features

  • Waterproof
  • Bonds to All gaskets and all surfaces
  • Food Safe (NSF & FDA Food Grade approval) 650F high temp
  • Impervious to all weather conditions

Impervious to all weather conditions Waterproof Bonds to all gaskets and all surfaces Food safe (nsf & fda food grade approval) 650f high temp

4
9
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Surebond-SB-188 T High-Temp Silicone Sealant, 10.3 fl. oz. Cartridge

Surebond-SB-188 T High-Temp Silicone Sealant

10.3 fl. oz. Cartridge

by SUREBOND
What We like

Country of Origin : United States

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Product Features

  • High-temperature silicone sealant
  • Package Dimensions: 28.0 H x 4.7 L x 5.0 W (centimetres)
  • Package Weight: 0.355 kilograms

High-temperature silicone sealant Package weight: 0.355 kilograms Package dimensions: 28.0 h x 4.7 l x 5.0 w (centimetres)

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8.8
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HIGH Temp Silicone Sealant -Blk-NUFLEX -50-650 Degree F. 100% RTV

HIGH Temp Silicone Sealant -Blk-NUFLEX -50-650 Degree F. 100% RTV

by NuFlex
What We like

Free Shipping

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Product Features

  • 10.2 ounce
  • NuFlex High Temp Silicone
  • Color - Black
  • Temp Range -85 - 600 F

10.2 ounce Temp range -85 - 600 f NuFlex high temp silicone Color - black

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ASI Hi-Temp RED RTV High Temperature Silicone Sealant FDA Rated Food Contact Safe BBQ Smoker HVAC Gasket 10.2 OZ

ASI Hi-Temp RED RTV High Temperature Silicone Sealant FDA Rated Food Contact Safe BBQ Smoker HVAC Gasket 10.2 OZ

by ASI
What We like

Will Remain Permanently Flexible And Provides Excellent Resistance To Aging, Vibration And Shock

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Product Features

  • Ready To Use And Requires No Mixing Or Additives 1/4 Bead Will Cure Within 24 Hours
  • Excellent Adhesion And Versatility
  • Formulated For Where Operating Temperatures Up To 600F (310C) Are Reached Intermittently

Excellent adhesion and versatility Formulated for where operating temperatures up to 600f (310c) are reached intermittently Ready to use and requires no mixing or additives 1/4 bead will cure within 24 hours

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J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant - Red - 3 oz.

J-B Weld 31314 High Temperature RTV Silicone Gasket Maker and Sealant

Red, 3 oz.

by JBWeld
What We like

VERSATILE & DEPENDABLE: Ideal for automotive, metal, oil pans, exhaust manifolds, water pumps, timing covers, differential covers, drive housings and oven doors

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Product Features

  • EASY TO USE: Curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. It will not shrink or crack, resists weathering and is sensor safe
  • COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond
  • HI TEMP RED SILICONE GASKET MAKER & SEALANT: Is an RTV (Room Temperature Vulcanized) Silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550 F or 650 F intermittent might exist

Easy to use: curing when the product is exposed to the moisture in air, it forms a tough, waterproof seal on most surfaces. it will not shrink or crack, resists weathering and is sensor safe Do it yourself: big or small, you can diy it with j-b. our heavy duty adhesives repair & restore it right the first time. jb weld delivers the legendary performance of the world's strongest bond Hi temp red silicone gasket maker & sealant: is an rtv (room temperature vulcanized) silicone gasketing material, designed for use in mechanical assemblies where the existence of higher, continuous temperatures up to 550 f or 650 f intermittent might exist Count on us: for more than 40 years, our products have earned a loyal following from people who take pride in their work. with each product we innovate, we continue to provide the world's strongest bond for your projects

8
8.1
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Rectorseal 57500 10.1-Ounce Hi-Temp 100-Percent Rtv Silicone Sealant

Rectorseal 57500 10.1-Ounce Hi-Temp 100-Percent Rtv Silicone Sealant

by The Rectorseal Corporation
What We like

It is a one component sealant which cures to a strong durable resilient elastomer

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Product Features

  • Can be used to control noise and vibrationand as a pipe and tank sealer
  • It will adhere to glass, clean metal, non-oily woods, vulcanized silicone rubber, silicone resins, natural and synthetic fibers, ceramic, paper,etc
  • Vibration Resistent
  • Insulates, bonds, seals, and remains flexible

It will adhere to glass, clean metal, non-oily woods, vulcanized silicone rubber, silicone resins, natural and synthetic fibers, ceramic, paper,etc Insulates, bonds, seals, and remains flexible Can be used to control noise and vibrationand as a pipe and tank sealer Vibration resistent

9
8.1
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DAP 8013 80133 High Temperature 100% Rtv Silicone Sealant, 10.3 Fl-Oz, Red

DAP 8013 80133 High Temperature 100% Rtv Silicone Sealant

10.3 Fl-Oz, Red

by DAP PRODUCTS INC.
What We like

100 % RTV Silicone Professional Grade

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Product Features

  • Protect and seal with 100% RTV silicone
  • Can be used indoors or outdoors

Protect and seal with 100% rtv silicone Can be used indoors or outdoors

10
8.1
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ASI Hi Temp BBQ Grill Smoker Sealant FDA Food Safe RTV Silicone Adhesive (RTV 400 - Black) (RTV Silicone, RTV 600 Red)

ASI Hi Temp BBQ Grill Smoker Sealant FDA Food Safe RTV Silicone Adhesive (RTV 400

Black) (RTV Silicone, RTV 600 Red)

by American Sealants Inc
What We like

PERFECT FOR BBQ - Seal or create gaskets, long lasting, and impervious to weather

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Product Features

  • HIGH TEMPERATURE (BLACK) - -70 to 400 operating temp
  • ECO FRIENDLY - Contains no solvents or isocyanates which makes it VOC compliant
  • EASY TO USE - Easy to dispense, flexible, and tack-free in 10-20 minutes

Eco friendly - contains no solvents or isocyanates which makes it voc compliant High temperature (black) - -70 to 400 operating temp Easy to use - easy to dispense, flexible, and tack-free in 10-20 minutes

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