Imron® AF400™ Polyurethane Topcoat (EP Quality)



A 3.5 VOC compliant, high solids, polyurethane topcoat designed to deliver high performance, excellent appearance and durability for propeller and rotary aircraft. It isavailable in factory-packaged whites and mixed colors.


  • High performance
  • Excellent appearance
  • Propeller & Rotary aircraft

Product Details

Type Topcoat
Technology Polyurethane
Substrates For use on riveted aircraft and similar general aviation applications.
Recommended for use with Axalta 13550S™ and 13520S™ primers, Imron AF700 Basecoat and Imron AF740 clearcoat.
VOC 3.5 lb/gal

Available Sizes

Size Case Qty UPC GMC
Gallon 012500518824 1250051882

Mixing Instructions

Components : Topcoat Parts by Volume
Imron® AF400™ Color (EP) 3
13100S™ or 13110S™ Activator 1
  • Add up to 2 oz. 13801S per RTS gallon to improve pot life/dry time
  • Add up to 2 oz. 13803S per RTS gallon to improve dry time
  • Add up to 1 oz. 13808S per RTS gallon for fast dry; limited area work
  • Add up to 1 oz. 13813S per RTS gallon
Viscosity 11-16 seconds with #3 Zahn Cup
Pot Life 2 hours at 70°F with 13801S™ or 13803S™

Application Instructions


See technical data sheet for complete instructions.

Gun Setup & Air Pressure

Imron AF400 can be applied with conventional, HVLP, air-assisted airless, and electrostatic spray equipment using pressure or gravity fluid delivery.

Dry Time

Air Dry Force Dry
To touch: 2-3 hours 1-2 hours
To tape: 4-7 hours 3-4 hours
Coverage (Ft2) 850
Dry Film Thickness (mil) 2.0-2.5
Wet Film Thickness (mil) 5.0-6.5


For industrial use only by professional, trained painters. Not for sale to or use by the general public. Before using, read and follow all label and SDS precautions.

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