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SYSTEM 20 UP2381 Fast Hardener, 1 L Tin, Clear, Liquid, Use - U-POL

Part #: 2381

The U-POL SYSTEM 20 UP2381 Fast Hardener is a professional-grade, 2K VOC compliant hardener engineered for optimal performance with U-POL primers, clear coats, and solid colors. Designed for demanding automotive and industrial applications, this clear liquid hardener accelerates cure times, making it particularly effective in colder working environments or when faster turnaround is required. It ensures a consistent and durable finish, critical for professional technicians and mechanics.

Key Features

  • Fast-Acting Formula: Specifically developed to provide rapid cure times, enhancing productivity in the bodyshop or industrial setting.
  • Cold Temperature Performance: Ideal for use in cooler conditions, maintaining consistent drying and hardening characteristics where standard hardeners may falter.
  • 2K VOC Compliant: Adheres to regulatory standards for professional use, ensuring a compliant and safe application process.
  • Versatile Compatibility: Formulated for seamless integration with a wide range of U-POL SYSTEM 20 primers, clear coats, and solid colors, simplifying inventory and application.
  • Professional-Grade Finish: Contributes to the overall durability, gloss retention, and longevity of the applied coating, meeting the high standards of automotive refinishing and industrial coating.
  • Convenient Packaging: Supplied in a 1 L tin for practical handling and storage in a professional workshop.

Applications

The U-POL SYSTEM 20 UP2381 Fast Hardener is essential for professional automotive refinishing, including collision repair, custom painting, and restoration projects. Its accelerated curing properties make it invaluable in workshops where rapid vehicle throughput is necessary, especially during colder months. Beyond automotive, it is also suitable for various industrial coating applications that require a fast, reliable, and durable finish over appropriate U-POL base products. This hardener ensures optimal adhesion and film build for a superior final result on a wide range of substrates.

We have 31 in stock
List: $64.00 Save: $21.46

$42.54

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 462548
  • Shipping Weight: 2.7lbs
  • UPC: 5010796104443
  • Manufacturers Part #: 2381
  • Manufactured by: U-POL
  • Also Known As: UPO2381

This product was added to our catalog on Saturday 13 June, 2026.

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