HS 421 Primer 

Endura HS-421 is a two-component acrylic urethane primer designed for
spray application. It is designed as an automotive primer for previously painted
surfaces. It has high build capability, and is easily sanded. HS-421 Primer can
also be used directly over properly prepared wood, fiberglass, and polyester

- High build - up to 10 mils Dry Film Thickness
- Easy sanding after as little as two hours
- Formulated to fill imperfections in rough or porous surfaces

Product Overview
Service Conditions
Medium Duty Primer
Recommended DFT
2-4 mils DFT
Volume Solids (%)
Recommended Sector
Marine, Automotive

Additional Product Information HS 421 Technical Data Sheet
MSDS component A
MSDS component B (HS-421 uses EX-2C Component B)
Quickstart Application Guide