Replacement Hardener, 0.5 OZ TUBE - U-POL

Part #: UP0681

The U-POL UP0681 Replacement Hardener is an essential component for achieving durable and professional-grade repairs in automotive and industrial settings. This 0.5 oz tube of hardener is engineered to ensure proper curing and adhesion when mixed with compatible fillers and putties, making it indispensable for technicians requiring reliable material performance. It provides the necessary chemical reaction to activate body fillers, delivering strong, long-lasting repairs.

Key Features

  • Precision Formulation: Specifically designed by U-POL to work seamlessly with their range of professional fillers and putties, ensuring consistent results.
  • Optimized Curing: Facilitates rapid and thorough curing of repair materials, contributing to a strong, resilient finish that withstands typical operational stresses.
  • Convenient Size: The 0.5 oz tube provides a precise amount of hardener, minimizing waste and ensuring accurate mixing ratios for various repair tasks.
  • Professional-Grade Quality: Manufactured to U-POL's high standards, guaranteeing reliability and performance for demanding professional applications.

Applications

The U-POL UP0681 Replacement Hardener is crucial for a wide array of repair applications across automotive and industrial sectors. It is primarily used in conjunction with polyester fillers and putties for tasks such as filling dents, leveling imperfections, and restoring surfaces on vehicle body panels. Its robust curing properties make it suitable for both minor cosmetic repairs and more extensive structural work where durability is paramount. This hardener is an essential item for professional body shops, mechanics, and industrial maintenance teams performing repairs on cars, trucks, heavy equipment, and other machinery requiring a hard-wearing finish.

We have 51 in stock

$5.60

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  • Model: 473250
  • Shipping Weight: 0.04lbs
  • Manufacturers Part #: UP0681
  • Manufactured by: U-POL
  • Also Known As: UPL-UP0681, UP0681

This product was added to our catalog on Tuesday 30 June, 2026.

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