HomElectrical.com Lighting & Electrical Supply Superstore

Loctite 10 mL 545 Thread Sealant for Hydraulic/Pneumatic Fittings

Loctite 303420
SKU LOC-32429
Loctite 10 mL 545 Thread Sealant for Hydraulic/Pneumatic Fittings

Image may not depict product actual color, inclusions or accessories

To securely lock and seal high pressure, fluid power systems with tapered fittings, use the 545 Thread Sealant for Hydraulic/Pneumatic Fittings. Quality sealant does not contain any fillers and will not foul valves or fluid filtering systems. Liquid thread sealant comes in a 10 mL bottle.

  • Color: Purple.
  • Volume: 10 mL.
  • Packing Type: Bottle.
  • Viscosity: 14,000 cP.
  • Specific Gravity: 1.02.
  • Physical Form: Liquid.
  • Pressure: 10,000 psi [Max].
  • Curing Method: Anaerobic.
  • Chemical Compound: Acrylic.
  • Applications: Fitting, Pipe, Thread.
  • Applicable Materials: Most Metals.
  • Temp. Range: -65°F [Min], 300°F [Max].
  • Resistance: Acetone, Brake Fluid, Ethanol, Unleaded Gasoline.

Similar Adhesive, Sealant & Corrosion Inhibitor Products

Loctite 303420 Description

To securely lock and seal high pressure, fluid power systems with tapered fittings, use the 545 Thread Sealant for Hydraulic/Pneumatic Fittings. Quality sealant does not contain any fillers and will not foul valves or fluid filtering systems. Liquid thread sealant comes in a 10 mL bottle.

  • Color: Purple.
  • Volume: 10 mL.
  • Packing Type: Bottle.
  • Viscosity: 14,000 cP.
  • Specific Gravity: 1.02.
  • Physical Form: Liquid.
  • Pressure: 10,000 psi [Max].
  • Curing Method: Anaerobic.
  • Chemical Compound: Acrylic.
  • Applications: Fitting, Pipe, Thread.
  • Applicable Materials: Most Metals.
  • Temp. Range: -65°F [Min], 300°F [Max].
  • Resistance: Acetone, Brake Fluid, Ethanol, Unleaded Gasoline.

Similar Adhesive, Sealant & Corrosion Inhibitor Products

$20.29Bottle
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 Number303420, 442-303420
Country of OriginUSA
Weight0.05-lb
UPC079340324299

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 10 mL 545 Thread Sealant for Hydraulic/Pneumatic Fittings
$20.29Bottle
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 303420 Description

To securely lock and seal high pressure, fluid power systems with tapered fittings, use the 545 Thread Sealant for Hydraulic/Pneumatic Fittings. Quality sealant does not contain any fillers and will not foul valves or fluid filtering systems. Liquid thread sealant comes in a 10 mL bottle.

  • Color: Purple.
  • Volume: 10 mL.
  • Packing Type: Bottle.
  • Viscosity: 14,000 cP.
  • Specific Gravity: 1.02.
  • Physical Form: Liquid.
  • Pressure: 10,000 psi [Max].
  • Curing Method: Anaerobic.
  • Chemical Compound: Acrylic.
  • Applications: Fitting, Pipe, Thread.
  • Applicable Materials: Most Metals.
  • Temp. Range: -65°F [Min], 300°F [Max].
  • Resistance: Acetone, Brake Fluid, Ethanol, Unleaded Gasoline.

Product Specifications

Loctite
Visit The Loctite Store
Part Number303420, 442-303420
Country of OriginUSA
Weight0.05-lb
UPC079340324299

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.