HS-421 Primer is a medium solid, medium build, two-component, urethane surfacer. It is designed to be applied to previously coated surfaces where high build and easy sanding is required.
▪Excellent sanding characteristics
▪High build to 10.0 mils dry
▪Easy sanding in as little as 2 hours
▪Formulated to fill imperfections in rough surfaces
HS-421 primer must be sealed before application of topcoat.
Product TDS and SDS Information
|PART NUMBERS||Component A: FEA0313 Component B: FUB0100 (4:1)|
|SERVICE CONDITIONS||Medium Duty Primer|
|RECOMMENDED DFT||3.0 - 5.0 mils DFT|
|VOLUME SOLIDS (%)||45% +/- 1%|