HomElectrical.com Lighting & Electrical Supply Superstore

Loctite 300 mL 5920 Copper, High Performance RTV Silicone Gasket Maker

Loctite 235479
SKU LOC-82046
Loctite 300 mL 5920 Copper, High Performance RTV Silicone Gasket Maker

Image may not depict product actual color, inclusions or accessories

For rigid flange assemblies, use the Loctite 5920 Copper, High Performance RTV Silicone Gasket Maker. Quality gasket maker resists heat and has low volatility. This reliable silicone gasket maker can be applied to ceramic, glass, most metals, and wood.

  • Color: Copper.
  • Gap Fill: 0.240".
  • Volume: 300 mL.
  • Resistance: Heat.
  • Specific Gravity: 1.05.
  • Hardness: 31 Shore A.
  • Packing Type: Cartridge.
  • Chemical Compound: Silicone.
  • Stress Resistance: 275 psi (tensile) [Max].
  • Temp. Range: -65°F [Min], 700°F [Max].
  • Applicable Materials: Ceramic, Glass, Most Metals, Wood.

Similar Adhesive, Sealant & Corrosion Inhibitor Products

Loctite 235479 Description

For rigid flange assemblies, use the Loctite 5920 Copper, High Performance RTV Silicone Gasket Maker. Quality gasket maker resists heat and has low volatility. This reliable silicone gasket maker can be applied to ceramic, glass, most metals, and wood.

  • Color: Copper.
  • Gap Fill: 0.240".
  • Volume: 300 mL.
  • Resistance: Heat.
  • Specific Gravity: 1.05.
  • Hardness: 31 Shore A.
  • Packing Type: Cartridge.
  • Chemical Compound: Silicone.
  • Stress Resistance: 275 psi (tensile) [Max].
  • Temp. Range: -65°F [Min], 700°F [Max].
  • Applicable Materials: Ceramic, Glass, Most Metals, Wood.

Similar Adhesive, Sealant & Corrosion Inhibitor Products

$44.20Case
In Stock-

Ships between 03/31/2026 - 04/02/2026

Country of Origin

Made in the U.S.A.
This item is proudly made in the United States of America.

Loctite
Visit The Loctite Store
See more Loctite

Product Specifications

Part Number235479, 442-235479
Country of OriginUSA
Weight0.85-lb
UPC079340820463

Shop Top 100 Tools & Hardware Products.

View other Adhesive, Sealant & Corrosion Inhibitor Best Sellers.

Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Loctite 300 mL 5920 Copper, High Performance RTV Silicone Gasket Maker
$44.20Case
In Stock-

Ships between 03/31/2026 - 04/02/2026

Country of Origin

Made in the U.S.A.
This item is proudly made in the United States of America.

Similar Adhesive, Sealant & Corrosion Inhibitor Products

Loctite 235479 Description

For rigid flange assemblies, use the Loctite 5920 Copper, High Performance RTV Silicone Gasket Maker. Quality gasket maker resists heat and has low volatility. This reliable silicone gasket maker can be applied to ceramic, glass, most metals, and wood.

  • Color: Copper.
  • Gap Fill: 0.240".
  • Volume: 300 mL.
  • Resistance: Heat.
  • Specific Gravity: 1.05.
  • Hardness: 31 Shore A.
  • Packing Type: Cartridge.
  • Chemical Compound: Silicone.
  • Stress Resistance: 275 psi (tensile) [Max].
  • Temp. Range: -65°F [Min], 700°F [Max].
  • Applicable Materials: Ceramic, Glass, Most Metals, Wood.

Product Specifications

Loctite
Visit The Loctite Store
Part Number235479, 442-235479
Country of OriginUSA
Weight0.85-lb
UPC079340820463

Shop Top 100 Tools & Hardware Products.

View other Adhesive, Sealant & Corrosion Inhibitor Best Sellers.

Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

Product Questions & Answers

Customer Reviews

Your voice matters. Be the first to leave a review and help other pros shop smarter

Write A Review
Need Assistance?

Never Stop Saving!

With HomElectrical, you are not just buying a product, you are investing in a solution. Our goal is to help you make the most educated choice possible, ensuring maximum savings on every job. We provide the deep product knowledge for all your Electrical, HVAC, and Lighting projects. By promoting efficiency and supporting every purchase with high-quality service, we help save your business money and support a greener future.