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FH613-4 Slow Universal Hardener, 1 qt Can, Liquid - Martin Senour Paints

Part #: FH613-4

The Martin Senour Paints FH613-4 Slow Universal Hardener is a professional-grade solution designed to optimize the curing process of various Finish 1 products, particularly in elevated temperature environments. This 1-quart liquid hardener ensures a consistent and durable finish, critical for high-quality automotive refinishing and industrial coating applications. Its slow formulation provides extended working times, essential for complex projects or when working in conditions of 80°F and above.

Key Features

  • Universal Compatibility: Engineered for seamless integration with a wide range of Finish 1 products, offering versatility for professional technicians.
  • Optimized for High Temperatures: Specifically formulated for ideal performance in environments at 80°F and above, preventing premature drying and ensuring proper flow.
  • Enhanced Curing: Promotes a robust and lasting cure, contributing to the durability and longevity of painted surfaces.
  • Precision Formulation: Designed for use with 3.5 VOC Finish 1 Factory Packaged Single Stage Colors, ensuring consistent results and adherence to performance specifications.
  • Professional-Grade Quality: Delivers reliable performance for demanding automotive and industrial applications, supporting high-quality professional outcomes.

Applications

The FH613-4 Slow Universal Hardener is an indispensable component for professional technicians and mechanics engaged in automotive refinishing and industrial coating projects. It is particularly beneficial when applying Finish 1 products in warmer climates or during summer months where extended flash times are desired. This hardener facilitates proper film build and leveling, ensuring a superior final appearance for single-stage colors and other compatible Finish 1 coatings on vehicles, machinery, and various industrial substrates.

We have 5256 in stock
List: $93.24 Save: $38.97

$54.27

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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