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Corrosion Block 25003 High Performance Waterproof Grease 3oz Cartridges 2-Pack

Manufacturer

Corrosion Block

<h3>About Corrosion Block &amp; Lear Chemical Research</h3><p><strong>Corrosion Block</strong> is a flagship product line from Lear Chemical Research Corporation, a Canadian company with a well-earned reputation for developing some of the most effective anti-corrosion compounds available anywhere in the world. <a href="/14674-corrosion-block">Corrosion Block</a> products have been developed and refined since 1979, giving the brand decades of real-world experience solving corrosion problems across demanding industries including Automotive, Aviation, Industrial, Marine, Motorcycle, and Recreational sectors.</p><h3>Science-Backed Corrosion Protection</h3><p>What sets Corrosion Block apart is the chemistry behind it. The fluid actively protects metal through advanced polar bonding, where synthetic additives penetrate deep into existing corrosion cells, displacing salt water and allowing it to evaporate. What remains is a hydrophobic film that acts as a barrier, essentially shutting off the electrochemical processes that cause rust and corrosion to spread. This approach means Corrosion Block doesn&apos;t just mask corrosion — it actively addresses it at the source.</p><p>The product leaves no gummy residue because it contains no wax, resin, tar, asphalt, or silicone — making it a clean, clear solution that can be used on sensitive electrical components and precision mechanical parts alike. It is non-hazmat, non-flammable, and non-toxic, making it practical for professional and DIY use in virtually any environment.</p><h3>Trusted Across Industries</h3><p>Lear Chemical Research has built its reputation through rigorous laboratory testing combined with field evaluations to ensure every formula lives up to real-world demands. The ACF-50 product, a close sibling to Corrosion Block in the Lear Chemical lineup, gained widespread recognition after adoption by the U.S. Military and Coast Guard for corrosion prevention on aircraft. Meanwhile, Corrosion Block itself has become a staple in the marine-maintenance community across North America, where saltwater environments put metal components under constant attack.</p><p>From watercraft and jet skis to ATVs, fleet vehicles, snowmobiles, and industrial equipment, Corrosion Block products have expanded globally into virtually every sector where corrosion is a costly concern. The brand&apos;s product family — which includes Corrosion Block liquid, <a href="/14674-corrosion-block-marine-grease-18765">Corrosion Block Grease</a>, ACF-50, and Rust Block — gives technicians and enthusiasts a targeted solution for any application.</p><h3>The Corrosion Block Grease Advantage</h3><p>For applications requiring a heavier-duty barrier, <a href="/14674-corrosion-block-marine-grease-18765">Corrosion Block Grease</a> delivers maximum protection under severe conditions. Its formulation provides performance across both high and low temperature extremes, resists water wash-out, and outperforms conventional lithium greases. It meets or exceeds the NLGI GC-LB service classification — the benchmark standard for automotive wheel bearings and chassis lubricants — making it a versatile choice for marine, motorcycle, automotive, and industrial use alike.</p>

Part Number

25003
09/16/2036 11:23 PM
Sale Price

$10.86

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Product Details

Corrosion Block 25003 High Performance Waterproof Grease delivers maximum protection for critical components operating under severe conditions. This 2-pack of 3-ounce cartridges contains premium grease engineered for both high and low temperature performance, extending the service life of wheel bearings, chassis components, winches, windlasses, and electrical connections.

Superior Protection and Performance:

Corrosion Block Grease outperforms standard lithium and most synthetic greases with exceptional resistance to water washout and superior rust and corrosion protection. The advanced formulation meets or exceeds NLGI Service Classification GC-LB requirements based on ASTM D4950 performance standards for automotive wheel bearing and chassis lubricants.

Key Features:

  • Waterproof formula resists bleeding or melting at high temperatures
  • Multi-grease compatible for versatile applications
  • Excellent thermal and oxidative stability for long-lasting performance
  • Suitable for sealed-for-life applications
  • Safe for electrical applications requiring grease
  • Non-hazmat, non-flammable, and non-toxic formulation
  • Workplace safe and environmentally friendly
  • Outperforms competitive greases 5:1

Applications: Ideal for marine, automotive, RV, and industrial use including wheel bearings, chassis lubrication, winches, windlasses, and wiring harnesses. Each cartridge fits standard grease guns for easy application.

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Cheapest price i could find! Great communication, and fast shipping!

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