Place of Origin:
Guangdong Province，China
Brand Name:
VSM
Certification:
MSDS, TDS
Model Number:
VS- D1030S
Choose VSM VS-D1030S when the repair surface needs more than simple color coverage.
It is designed for body shop processes where body filler transitions, fine sanding scratches, old paint repair zones or epoxy-primed areas need to be leveled before the final color coat. The cured film provides a sandable intermediate layer that helps make the final paint surface more even and visually consistent.
For these metal types, use a suitable dedicated adhesion or corrosion-protection primer first.
VSM 2K Primer Surfacer VS-D1030S is a two-component acrylic polyurethane primer surfacer used with VSM VS-D1030H Primer Surfacer Hardener.
The product is intended for automotive repair painting where the substrate has already been repaired, stabilized and sanded. It helps cover fine surface imperfections and creates a workable sanding base before applying compatible basecoat, solid-color topcoat or clear coat systems.
Its defined application process—4:1:2 mixing, two spray coats, controlled flash-off and P800–P1000 finishing—supports standardized workshop operations and helps reduce rework caused by visible repair edges, sanding scratches or uneven substrate preparation.
The primer, hardener and reducer are mixed at a clear volume ratio:
VS-D1030S Primer:VS-D1030H Hardener:Reducer=4:1:2VS-D1030H Hardener:Reducer=4:1:2
This supports repeatable viscosity and spraying conditions when the same process is followed.
Useful for managing fine scratches, body filler edges and mild unevenness after repair sanding.
The acrylic polyurethane system is designed to form a more stable primer layer after curing than a typical one-component intermediate primer.
The activated product remains workable for approximately 30 minutes at 25°C, supporting fast production while encouraging fresh-batch mixing.
Can be dried at room temperature or accelerated in a 60°C bake booth, allowing workshops to choose according to their equipment and delivery schedule.
After full cure, wet sanding with P800–P1000 prepares the surface for a smoother appearance under the finish coat.
Suitable substrates include prepared steel, stable old paint, cured epoxy primer and fully cured body filler. Confirm that old paint is stable and that damaged or delaminated coatings have been removed.
Sand the prepared surface with P400–P600 by dry sanding or wet sanding.
The aim is to remove gloss, refine the repair transition and provide a consistent mechanical profile for primer surfacer adhesion.
Remove sanding dust completely, then degrease the area. Allow the surface to dry before spraying.
Mix by volume:
| Material | Ratio |
|---|---|
| VSM VS-D1030S Primer Surfacer | 4 |
| VSM VS-D1030H Hardener | 1 |
| Compatible Reducer | 2 |
Mix thoroughly. Prepare only the quantity that can be sprayed within approximately 30 minutes at 25°C.
Use a gravity-feed spray gun with a 1.5–1.7 mm nozzle at 1.8–2.5 kg/cm².
Apply two even coats from a distance of 15–20 cm, allowing approximately 5–10 minutes flash-off between coats at 25°C.
| Drying Method | Dust-Free | Fully Dry |
|---|---|---|
| Ambient, 25°C | Approx. 5 min | Approx. 30 min |
| Bake, 60°C | Approx. 2 min | Approx. 12 min |
After the film is fully dry, wet sand with P800–P1000 abrasive paper. Remove all sanding residue before applying the next compatible coating layer.
| Symptom | Common Cause | Corrective Action |
|---|---|---|
| Primer remains soft | Incorrect ratio, incomplete mixing, low temperature or thick film | Verify 4:1:2 ratio, mix thoroughly, control film build and allow full drying |
| Surface sands unevenly | Insufficient cure or uneven application | Extend drying time if needed and apply controlled, even coats |
| Pinholes appear | Heavy application, trapped solvent or insufficient flash-off | Avoid wet flooding; allow 5–10 minutes between coats |
| Runs or sagging | Gun too close, slow movement, excessive material output | Maintain 15–20 cm spray distance and use steady overlap |
| Repair edge shows after topcoat | Poor filler transition, insufficient primer coverage or incomplete sanding | Refine the repair area before priming and sand primer evenly with P800–P1000 |
| Poor topcoat adhesion | Dust, oil, silicone or inadequate sanding | Clean thoroughly after sanding and confirm coating compatibility |
| Material gels in the cup | Activated material held beyond pot life | Mix smaller batches and do not reuse expired activated material |
A topcoat cannot fully hide every defect below it. Fine sanding marks, unstable filler edges and irregular repair profiles may become more obvious after color coat and clear coat application, particularly on dark colors, metallic finishes and high-gloss systems.
VSM VS-D1030S is used to establish a more controlled intermediate surface. After correct application and P800–P1000 wet sanding, it can help support:
It does not replace proper body filler work, sanding discipline or substrate cleaning.
| Evaluation Area | VSM VS-D1030S with VS-D1030H | Common Basic Primer Surfacer |
|---|---|---|
| System Design | Matched 2K primer and hardener system | Hardener selection or formulation may be less controlled |
| Repair Focus | Designed for old paint, body filler and epoxy-primer repair stages | Often used mainly for basic coverage |
| Surface Leveling | Supports fine scratch and transition management | May need repeated coats or more manual correction |
| Cured Film | 2K cured acrylic polyurethane structure | May vary depending on resin type and hardener quality |
| Drying Control | Approx. 30 min at 25°C or 12 min at 60°C | Drying consistency may differ by product and condition |
| Sanding Base | Intended for P800–P1000 finishing before topcoat | Sanding hardness and uniformity may vary |
| Workflow | Clear mixing and application procedure | More dependent on individual operator practice |
| Total Repair Cost | Can help reduce correction, waiting and rework steps | Lower purchase cost may result in extra sanding or repainting work |
This comparison is a general product-positioning reference. Actual results depend on surface preparation, film thickness, spray technique, drying conditions and the full coating system.
| Property | Specification |
|---|---|
| Brand | VSM |
| Product Model | VS-D1030S |
| Matching Hardener | VS-D1030H |
| Product Type | 2K Acrylic Polyurethane Primer Surfacer |
| Primary Use | Automotive repair, surface leveling and refinishing preparation |
| Suitable Substrates | Prepared steel, old paint, epoxy primer, cured body filler |
| Excluded Substrates | Stainless steel, galvanized steel |
| Surface Preparation | P400–P600 dry sanding or wet sanding |
| Mixing Ratio | 4:1:2 by volume |
| Pot Life | Approx. 30 minutes at 25°C |
| Spray Gun Type | Gravity-feed |
| Nozzle Size | 1.5–1.7 mm |
| Spray Pressure | 1.8–2.5 kg/cm² |
| Spray Distance | 15–20 cm |
| Application Coats | 2 |
| Flash-Off | Approx. 5–10 minutes at 25°C |
| Ambient Drying | Dust-free: 5 min; fully dry: 30 min at 25°C |
| Bake Drying | Dust-free: 2 min; fully dry: 12 min at 60°C |
| Sanding Before Topcoat | P800–P1000 wet sanding |
| Primer Packaging | 4 L * 4 cans/carton |
| Primer Carton Size | 34.8 * 34.7 * 21 cm |
| Hardener Packaging | 1 L * 15 cans/carton |
| Hardener Carton Size | 52.5 * 31.7 * 17.3 cm |
| Shelf Life | 2 years unopened |
| Storage | Dry, ventilated storage at normal temperature |
| Reference HS Code | 3208201090 |
For preparing repaired steel panels, filler transition zones and epoxy-primed repair areas before color application.
The 30-minute ambient full-dry schedule and 12-minute 60°C bake schedule can support fast workshop turnover.
Useful as a surface-unifying intermediate coat over stable, sanded old paint and completed repair areas.
For body shops and vehicle-preparation centers restoring used vehicles before resale.
Can be used in compatible repair systems for prepared vehicle panels where a sandable primer surfacer is required.
| Product | Packing | Carton Size |
|---|---|---|
| VSM VS-D1030S Primer Surfacer | 4 L * 4 cans/carton | 34.8 * 34.7 * 21 cm |
| VSM VS-D1030H Hardener | 1 L * 15 cans/carton | 52.5 * 31.7 * 17.3 cm |
Shelf life: 2 years in unopened original packaging.
Storage: Keep in a dry, ventilated location at normal temperature. Keep away from heat, sparks and open flames.
Safety: For professional use only. Use suitable PPE during mixing, spraying and sanding. Review the relevant MSDS/SDS before use.
It is intended for prepared repair substrates. Where corrosion protection is required on bare steel, use a suitable epoxy or anti-corrosion primer as the first layer.
Yes, provided the old paint is stable, properly sanded with P400–P600, clean and free from adhesion failure.
Do not continue using material that has exceeded its approximate 30-minute pot life at 25°C. Clean the equipment and prepare a fresh batch.
The recommended process is two coats. One coat may not provide enough leveling for the intended repair-preparation function.
The stated post-treatment requirement is P800–P1000 wet sanding after the film is completely dry. Follow the specified process to maintain surface quality.
This may result from coarse preparation sanding, insufficient primer leveling, premature sanding, uneven film thickness or inadequate final P800–P1000 sanding.
Only the stated 60°C drying schedule is provided. Higher temperatures should not be assumed without confirmation through product testing or technical guidance.
No. It is a primer surfacer for fine leveling and sanding preparation. Deep dents, cracks and major unevenness should be repaired with suitable filler materials first.
Send your inquiry directly to us
