Nason®XL 431-40 Primer Surfacer is a two-component high-build primer filler (surfacer) for automotive refinishing and new bodywork. 431-40 offers fast dry times, delivering excellent sanding characteristics while providing a stable substrate for all refinishing essentials.
| Type | Primer |
| VOC | 4.46 lbs / gallon |
| Size | Case Qty | UPC | GMC |
|---|---|---|---|
| Gallon |
| Components | Parts by Volume |
|---|---|
| NasonXL 431-40 Primer Surfacer | 4 |
| NasonXL 445-10, 445-11, or 445-12 Activator | 1 |
| NasonXL 447-65, 447-75, or or 447-85 National Rule Reducer | 1 |
| Viscosity | 18 seconds in Ford #4 |
| Pot Life | 1 hour @75°F(24°C) |
Apply 1 – 3 single coats depending on desired film build. Allow 5 – 10 minutes flash off between coats. Brush or roll on for small repairs; apply 1 even coat to beyond the featheredge; a second coat if needed, after the first coat has tacked up, to within ¾ inch of the first coat.
| Air Dry | Force Dry |
|---|---|
| To sand: 45 minutes | |
| To Topcoat: Must be sanded first |
Refer to the product Technical Data Sheet for complete directions for use. Refer to the product Safety Data Sheet for safety information. For use by professional, trained painters.
