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FH613-18 Slow Universal Hardener, 1/2 pt Aerosol Can, Liquid - Martin Senour Paints

Part #: FH613-18

The Martin Senour Paints FH613-18 Slow Universal Hardener is a professional-grade, liquid hardener supplied in a convenient 1/2 pint aerosol can, engineered for optimal performance in various Finish 1 automotive and industrial coating products. This slow universal hardener is specifically formulated to provide extended working times, making it ideal for applications in warmer environments with temperatures of 80°F and above. It ensures consistent curing and durable results for professional technicians and mechanics.

Key Features

  • Universal Compatibility: Designed for seamless integration with a wide range of Finish 1 primers, sealers, clear coats, and 3.5 VOC Finish 1 Factory Packaged Single Stage Colors.
  • Extended Working Time: Its slow hardening characteristic allows for longer open times, crucial for larger projects or in conditions where a slower cure is desired.
  • Optimal for High Temperatures: Specifically formulated for use in environments where temperatures are 80°F and above, ensuring proper chemical reaction and cure.
  • Professional-Grade Formulation: Engineered for consistent, reliable performance and long-lasting durability in automotive refinishing and industrial applications.
  • Convenient Aerosol Can: Packaged in a 1/2 pint aerosol can for easy handling, precise application, and reduced waste.

Applications

The FH613-18 Slow Universal Hardener is an essential component for professional automotive refinishers and industrial painters. It is primarily used in collision repair for painting vehicle body parts, general automotive restoration, and for various industrial coating projects where a robust and durable finish is required. This hardener is particularly beneficial when applying 3.5 VOC acrylic enamel factory packaged colors and other compatible Finish 1 products, especially in warmer climates or during summer months, to prevent premature drying and ensure a smooth, even finish.

We have 191 in stock
List: $33.82 Save: $12.99

$20.83

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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