Amercoat 450H Polyurethane
Available in 5 gal and 1 gal
Package volume: 1 US gal (3.79 L) or 5 US gal (18.93 L), depending on the selected variant.
A two-component, high-gloss aliphatic polyurethane topcoat for protective and marine coating systems. Provides a tough, flexible finish with abrasion resistance and strong weathering, color, and gloss retention. Apply over a properly prepared, compatible primer or intermediate coat.
Colors: Standard, safety, and custom colors are available subject to US availability. Enter your requested color name, PPG code, or RAL code above. We will confirm the match, availability, and any price difference before preparing your order. If unsure, enter “Help me choose.”
For professional use only. Follow the current US product data sheet, product label, and Safety Data Sheet for surface preparation, application, ventilation, and protective equipment.
Key specs: 67 ± 2% volume solids. Recommended dry film thickness: 2–3 mils per coat, depending on the system. Theoretical coverage: 537 sq ft/US gal at 2 mils; actual coverage will be lower. At 70°F, without accelerator: approximately 4-hour pot life, 4-hour minimum recoat interval with itself at up to 2 mils, and 7 days to full cure. Times vary with conditions.
Thinner: PPG 65 Thinner (Thinner 21-06). Follow the data sheet for application-specific thinning and hot-weather alternatives.
PPG US Product Data Sheet. Request the current US Safety Data Sheet before use.
