USC® Universal Urethane Activators – Fast (12-4), Medium (13-4), Slow (14-4) – 1 qt, for USC® 10™ Universal High-Build Clear Coat, 4:1 Mixing

Product Description

The USC® Universal Urethane Activator line is specifically formulated for use with USC® 10™ Universal High-Build Urethane Clear Coat (10-1). These activators ensure optimal performance in a wide range of application conditions, delivering consistent gloss, durability, and flow.

Available in Fast (12-4), Medium (13-4), and Slow (14-4) speeds, the activators provide flexibility to match shop temperature and job size:

• 12-4 Fast: Ideal for cooler conditions and smaller spot repairs.
• 13-4 Medium: Best between 75–85°F, suited for panel and multi-panel refinishing.
• 14-4 Slow: Designed for warmer conditions and larger overall refinishing jobs.

Together, these activators make USC® 10 Clear one of the most versatile clearcoat systems in professional refinishing.

Features

• Formulated exclusively for USC® 10™ Universal Clear Coat (10-1)
• Choose Fast, Medium, or Slow activator to match shop temperature and project size
• Provides excellent flow, leveling, gloss, and durability
• Compatible with 4:1 mix ratio systems
• Professional-grade performance

Technical Specifications

Mixing Ratio: 4:1

• 4 Parts USC® 10 Clear (10-1)
• 1 Part USC® Activator (12-4 Fast, 13-4 Medium, or 14-4 Slow)

Recommended Temperature Range:

• 12-4 Fast: < 75°F (24°C)
• 13-4 Medium: 75–85°F (24–29°C)
• 14-4 Slow: > 85°F (29°C)

Pot Life: 2–4 hours at 72°F (22°C)

Application:

• 2–3 medium wet coats
• Flash time: 8–10 minutes between coats @ 72°F (22°C)

Dry Times:

• Buffing: 18–24 hours at 72°F (22°C)
• Bake: 30 minutes @ 140°F (60°C)

Gun Setup:

• Conventional: 1.3–1.5 mm, 35–40 psi
• HVLP: 1.3–1.4 mm, 8–10 psi

VOC (Ready to Spray): 4.2 lbs/gal
Theoretical Coverage: 480 sq. ft. @ 1.0 mil
Weight Solids: 35%
Recommended Dried Film Thickness: 2.0 mils

Variants