Zero Rust® Primer – High-Performance Rust Inhibitor

by Zero Rust Products

Zero Rust® Primer – High-Performance Rust Inhibitor for Metal & Steel Surfaces

Zero Rust® Primer is a high-solids, phenolic-modified alkyd coating formulated to prevent rust and corrosion by forming a durable, oxygen-blocking barrier directly on steel surfaces. This primer delivers superior adhesion to both new and aged metal, cutting off oxygen to halt the rusting process at its source.

Free of lead and isocyanates, Zero Rust® Primer is safe and easy to apply, even over marginally prepared or partially rusted surfaces. It is a single-component, air-dry system that outperforms expectations—surpassing 2,000 hours in ASTM B117 salt spray testing for corrosion resistance.

Ideal for use on:

  • New and weathered steel

  • Rusty or partially rusted surfaces

  • Previously painted metal

  • Decorative fixtures, railings, barns, and metal furniture

Note: Not intended for use on surfaces that will be submerged in water for extended periods..

Zero Rust® Primer – Key Features & Benefits

  • Direct-to-Metal (DTM) – Apply directly to bare or prepared metal surfaces

  • Exceptional Rust Control – Forms an impermeable barrier that stops rust at the steel level

  • Single-Component, Air-Dry System – No mixing or complex application required

  • High Solids, Low VOC – Complies with environmental regulations while offering superior coverage

  • Isocyanate-Free – Safer to use, with no hazardous hardeners or activators

  • Environmentally Friendly – No lead, no isocyanates, and low VOC content

  • Over 2,000 Hours of Salt Spray Resistance – Proven performance in ASTM B117 testing

  • No Sandblasting Required – Excellent adhesion to fully or marginally prepared surfaces

  • Topcoats Optional – Effective as a stand-alone coating or as a primer under compatible finishes

  • Cost-Effective Solution – Long-lasting protection with minimal surface prep

  • Easy to Apply – Brush, roll, or spray for quick and efficient application

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