VSM VS-D1030S 2K Primer Surfacer | High-Fill Automotive Refinish Primer

VSM 2K Primer Surfacer VS-D1030S is a two-component acrylic polyurethane primer surfacer designed for automotive refinishing, body repair, spot repair and full vehicle repainting.

Used together with VSM Primer Surfacer Hardener VS-D1030H, it helps create a more uniform and sandable intermediate layer over properly prepared steel panels, old paint films, epoxy primers and body filler areas. The product is intended to help cover fine sanding scratches, smooth filler transition zones and improve the appearance consistency of subsequent color and clear coat layers.

This is a primer surfacer, not a direct-to-metal anti-corrosion primer. It is not recommended for stainless steel or galvanized steel surfaces.

After body filler repair, epoxy priming or old-paint sanding, small scratches, transitions and surface unevenness may remain visible. If these defects are not controlled before color application, they can become more noticeable after the topcoat is applied.

VSM VS-D1030S is designed to support the intermediate preparation stage:

Prepared repair surface → VSM 2K Primer Surfacer → P800–P1000 sanding → color coat / topcoat

Its role is to provide a controlled, sandable foundation for the final refinishing process.

1. 2K Acrylic Polyurethane System Uses a two-component acrylic polyurethane structure to support a more stable cured primer film than typical single-component primer surfacers.

2. High-Fill Surface Preparation Support Helps reduce the visibility of fine sanding marks, minor surface texture and filler transition lines.

3. Suitable for Repair and Refinish Work Designed for accident repair, localized spot repair, old paint refurbishment and full vehicle repainting.

4. Supports Final Topcoat Appearance A uniform primer layer can help improve the smoothness, coverage consistency and visual quality of subsequent color coats.

5. Defined 4:1:2 Mixing Ratio Primer : Hardener : Reducer = 4 : 1 : 2 by volume, helping workshops standardize mixing and application procedures.

6. Fast Curing Options At 25°C, the coating is fully dry in approximately 30 minutes. At 60°C, it is fully dry in approximately 12 minutes.

7. Sandable Primer Layer After complete drying, wet sand with P800–P1000 before the next coating step.

8. Designed for Professional Body Shops Suitable for repair centers, collision workshops, vehicle refurbishment businesses, dealer body shops and automotive paint distributors.

9. Supports Ambient and Bake-Drying Workflows Practical for workshops using normal-temperature repair processes or 60°C bake booth schedules.

10. Efficient Repair Process The short, defined pot life and drying schedule can support fast repair-cycle planning when material preparation and spraying are properly controlled.

VSM VS-D1030S is suitable for the following properly prepared surfaces:

• Steel panels sanded with P400–P600

• Sanded and stable old paint films

• Epoxy primer surfaces sanded with P400–P600

• Fully cured body filler / polyester putty surfaces sanded with P400–P600

• Stainless steel

• Galvanized steel

For these substrates, select a suitable dedicated adhesion or corrosion-protection primer before proceeding with the refinishing system.

Correct preparation is essential for sanding quality, film stability and subsequent topcoat appearance.

1. Confirm that the repair substrate is stable and suitable for refinishing.

2. Sand steel, stable old paint, epoxy primer or body filler with P400–P600 by dry sanding or wet sanding.

3. Remove all sanding dust.

4. Degrease the surface thoroughly.

5. Allow the substrate to dry fully before spraying.

6. Do not apply directly to stainless steel or galvanized steel.

Important: Mix only the quantity that can be used within the approximate 30-minute pot life at 25°C. Do not use activated material after its workable life has expired.

After the coating film is fully dry, wet sand with P800–P1000 abrasive paper before applying the next coating layer.

Actual drying results can vary according to film thickness, booth ventilation, humidity, substrate temperature and application conditions.

1. Inspect and repair the old coating or damaged panel.

2. Complete body filler shaping where required.

3. Sand prepared steel, old paint, epoxy primer or filler with P400–P600.

4. Remove dust and degrease.

5. Mix VS-D1030S, VS-D1030H and reducer at 4:1:2 by volume.

6. Apply two even coats.

7. Allow 5–10 minutes flash-off between coats at 25°C.

8. Dry at ambient temperature or bake at 60°C.

9. Wet sand with P800–P1000 after complete drying.

10. Apply compatible color coat and clear coat, or another approved finishing system.

1. Feather-edge the repair zone and level the filler transition.

2. Sand the repair area with P400–P600.

3. Clean and degrease thoroughly.

4. Apply two controlled coats of VSM VS-D1030S.

5. Dry completely, then wet sand with P800–P1000.

6. Proceed with localized color blending and clear coat application according to the selected paint system.

This comparison describes general positioning only. Final results depend on film build, surface preparation, climate, spraying technique, curing and the complete coating system.

Used as an intermediate primer layer after sanding and repair work to help create a uniform base before color and clear coat application.

Suitable for repaired steel panels, body filler zones and epoxy-primed areas after proper sanding.

Useful for scratches, dents, scuffs and small accident-damage repair areas after filler shaping and substrate preparation.

The approximately 30-minute full-dry time at 25°C and approximately 12-minute full-dry time at 60°C support planned repair turnover.

Can be used over stable, sanded old paint films to help unify the repair surface before repainting.

Store unopened products in a dry, ventilated environment at normal temperature. Keep containers sealed when not in use and away from heat, sparks and open flames.

2 years in unopened original packaging under recommended storage conditions.

For professional use only. Wear suitable protective equipment during mixing, spraying and sanding. Keep away from ignition sources and out of reach of children. Review the applicable SDS/MSDS before use.

• VSM VS-D1030H Primer Surfacer Hardener

• VSM automotive refinishing reducers

• VSM epoxy primers

• Polyester body filler

• 1K metallic basecoats

• 2K solid-color topcoats

• 2K clear coats

• P400–P600 preparation abrasives

• P800–P1000 wet-sanding abrasives

1. Is VS-D1030S a direct-to-metal anti-rust primer?

No. It is a 2K primer surfacer for prepared repair surfaces. For corrosion protection on suitable bare metal, use an appropriate epoxy or anti-corrosion primer system first.

2. Can it be applied over body filler?

Yes, it is suitable over fully cured and properly sanded body filler surfaces.

3. Can I spray it on galvanized steel or stainless steel?

No. The stated application guidance excludes galvanized steel and stainless steel.

4. What is the correct mixing ratio?

Mix primer, hardener and reducer at 4:1:2 by volume.

5. How long can mixed material be used?

The pot life is approximately 30 minutes at 25°C. Mix small batches to avoid waste.

6. How many coats should be applied?

Apply two coats, allowing approximately 5–10 minutes flash-off between coats at 25°C.

7. When can I sand the primer?

At 25°C, allow approximately 30 minutes for full drying. At 60°C, allow approximately 12 minutes. Then wet sand with P800–P1000.

8. Why do sanding scratches remain visible after topcoat?

Possible causes include insufficient primer coverage, inadequate sanding of the filler transition, sanding too coarsely before topcoat or incomplete leveling of the primer layer.

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• TDS

• MSDS / SDS

• ISO-related documentation

• Sea freight transport identification documentation

Requirements should be confirmed for the destination market, as chemical labeling, VOC and transport rules may differ by country.