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eBay£56.10Visit shop HB Body P334 4:1 HS White 2K Primer 4L V.O.C Compliant & H725 Hardener 1L
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The HB Body P334 4:1 HS White 2K Primer kit is designed for professional automotive refinishers and collision repair technicians seeking a high-build, V.O.C compliant solution for vehicle surface preparation. It offers exceptional adhesion and superior filling capabilities on both original factory finishes and aged paintwork, though it requires precise mixing and professional spray equipment for optimal results.
| Model Part Number | HB334W-KIT |
|---|---|
| Brand | HB Body |
No, this is a 2K filler primer and is not designed for direct-to-metal (DTM) use. Apply an epoxy or acid etch primer to bare metal before using P334.
A nozzle size between 1.6mm and 1.8mm is generally recommended for optimal atomization of this high-solid primer.
Once mixed with the H725 hardener, the primer typically has a pot life of approximately 1 hour at 20°C, depending on environmental conditions.
Yes, once properly cured and sanded, the P334 provides an excellent base for both solvent-based and water-based automotive topcoat systems.
Thinning is optional and depends on your equipment and desired finish. If thinning is necessary, use only high-quality 2K thinner up to the manufacturer-recommended percentage.
Reduce the fluid flow on your spray gun or increase the distance between the gun and the panel; check if the mix ratio was too thin.
Ensure the surface was thoroughly cleaned and degreased; confirm that the surface was sanded to the recommended grit profile for primer adhesion.
Verify the ambient temperature in the spray booth; ensure the correct hardener was used and mixed in the proper 4:1 proportion.
To prepare the primer, mix the P334 primer with the H725 hardener at a precise 4:1 ratio by volume. It is highly recommended to use a mixing cup to ensure accuracy. If thinning is required for your specific spray gun setup, use a compatible 2K acrylic thinner, adhering strictly to the manufacturer's percentage limits. For care, store both containers in a cool, dry place away from direct sunlight and moisture. Ensure lids are sealed tightly after every use to prevent the hardener from reacting with atmospheric humidity.
