Bossde 2K Primer Surfacer Efficient Powerful 3.75L Rapid Auto Body Repair High Build

2K Primer Surfacer is a high build intermediate coating developed for modern automotive refinishing systems. Based on hydroxyl acrylic resin technology and a modified polyisocyanate curing system, the coating forms a stable and uniform primer layer between filler or old paint and the final topcoat.

This fast repair primer is designed for efficient body shop operations where drying speed, sanding performance, and surface leveling are critical. The coating offers strong hiding power and filling capability, allowing technicians to correct minor imperfections before applying basecoat paint.

Once cured, the primer film develops good hardness while maintaining smooth sanding characteristics. This balance helps achieve a flat surface and stable adhesion between coating layers.

Rapid Repair Workflow

The quick drying system allows technicians to sand the coating within a short period, supporting efficient repair schedules in busy workshops.

Excellent Hiding Ability

High pigment content provides strong coverage, helping conceal sanding scratches and filler transition marks.

Balanced Film Hardness

After curing the primer develops sufficient hardness while remaining easy to sand for smooth finishing.

Stable Layer Compatibility

Compatible with most common automotive coating systems including basecoats, clear coats, and filler layers.

Consistent Spray Performance

Designed for stable atomization and smooth film formation using standard automotive spray equipment.

This automotive primer surfacer is widely used in professional refinishing environments including:

• Automotive body repair workshops
• Collision repair centers
• Automotive repainting service providers
• Fleet maintenance paint facilities
• Automotive coating distributors and paint supply companies

It is typically used before applying basecoat color layers in multi layer automotive paint systems.

The coating can be applied to a variety of prepared automotive surfaces such as:

• Sanded original vehicle paint
• Polyester body filler areas
• Epoxy primer coatings
• Previously primed surfaces after sanding

The substrate must be clean dry and properly sanded before application.

Before spraying, filter the coating to remove possible impurities and adjust viscosity with the recommended thinner. Two medium coats are typically applied with a short flash time between layers.

After application allow the panel to rest for approximately 8 to 12 minutes before baking. Proper curing improves sanding performance and coating durability.

When surface leveling is required, sanding with 600 to 800 grit abrasive paper is commonly recommended.

1 What is the function of primer surfacer in automotive painting?

Primer surfacer helps create a smooth intermediate layer that improves paint adhesion and hides sanding marks before applying basecoat.

2 Is this primer suitable for fast repair work?

Yes the formula is designed for rapid drying which allows sanding within a relatively short time in normal workshop temperatures.

3 Can it be applied over existing vehicle paint?

Yes it can be used over sanded original paint surfaces as long as the surface is properly cleaned and prepared.

4 What spray equipment can be used?

Standard gravity spray guns with 12 to 15 mm nozzle or suction spray guns with slightly larger nozzle sizes are commonly used.

5 What sanding paper should be used after curing?

For surface leveling technicians typically use 600 to 800 grit dry sanding paper or finer grades for wet sanding when required.

Packaging and Carton Information

Packaging Structure:

• 3.75L Primer Surfacer can

• 1L Hardener can

Carton Details: