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FH411-4 2K HS Hardener, 1 qt Aerosol Can, Liquid - Martin Senour Paints

Part #: FH411-4

The Martin Senour Paints FH411-4 2K HS Hardener is an essential component for professional automotive and industrial finishing applications, specifically engineered to activate Finish 1 2K HS Urethane Primer systems. This 1-quart liquid hardener, conveniently packaged in an aerosol can, provides technicians with a reliable solution for achieving optimal cure and durability in various working environments. It ensures a high-quality finish, enhancing the performance and longevity of primed surfaces.

Key Features

  • Optimized Formulation: Specifically designed to activate Finish 1 2K HS Urethane Primer, ensuring proper cross-linking and film build.
  • Versatile Temperature Range: Formulated for consistent performance and cure across all temperature conditions, adapting to diverse shop environments.
  • Enhanced Durability: Promotes superior adhesion and chemical resistance when used with compatible urethane primers.
  • Convenient Aerosol Delivery: The 1 qt aerosol can allows for precise and controlled application, minimizing waste and simplifying the mixing process.
  • Professional-Grade Liquid: Delivers consistent, reliable results critical for high-quality automotive and industrial refinishing.
  • Direct Compatibility: Engineered for seamless integration and optimal performance with Martin Senour FP410 HS Urethane Primer.

Applications

The FH411-4 2K HS Hardener is an indispensable product for professional technicians in automotive body shops, industrial painting facilities, and manufacturing settings. It is primarily used to activate 2K HS urethane primers, preparing various substrates for topcoat application. Common use cases include vehicle collision repair, restoration projects, and industrial equipment finishing where a robust, long-lasting prime coat is critical for overall finish durability and appearance.

We have 572 in stock
List: $98.01 Save: $40.62

$57.39

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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