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FH411-18 2K HS Hardener, 1/2 pt Can, Liquid - Martin Senour Paints

Part #: FH411-18

The Martin Senour Paints FH411-18 2K HS Hardener is a professional-grade, high-solids liquid hardener specifically formulated for use with Finish 1 2K HS Urethane Primer systems. This 1/2 pint can provides the necessary catalyst to ensure proper curing and optimal performance for demanding automotive and industrial applications. Designed for versatility, it maintains consistent results across various temperature ranges.

Key Features

  • Professional-Grade Formulation: Engineered to meet the rigorous demands of professional automotive and industrial technicians.
  • High Solids Compatibility: Optimized for use with Finish 1 2K HS (High Solids) Urethane Primers, including FP410.
  • Consistent Curing: Promotes reliable and uniform curing, contributing to durable and long-lasting finishes.
  • Temperature Versatility: Formulated to perform effectively across a wide spectrum of application temperatures, minimizing the need for multiple hardener types.
  • Optimal Performance: Ensures proper chemical cross-linking for excellent adhesion, hardness, and film build of the primer.

Applications

This FH411-18 2K HS Hardener is essential for professional paint and body shops involved in vehicle refinishing, restoration, and industrial coating projects. It is specifically designed to activate and cure Finish 1 2K HS Urethane Primers, such as the FP410, creating a solid foundation for topcoats. Technicians will utilize this hardener when preparing surfaces that require a high-quality, durable primer coat, ensuring proper adhesion and finish longevity on various substrates including metal, aluminum, and existing finishes.

We have 296 in stock
List: $33.98 Save: $13.11

$20.87

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Friday 12 June, 2026.

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