Overview
Built for the job.
Bumper coater aerosols are a line of advanced coatings formulated to restore the OEM finish on automotive bumpers and plastic cladding.
Bumper Coater™ 39273 Trim Paint is a 16-oz aerosol formulated for precise color matching of trim and bumper sections in automotive refinishing. The charcoal metallic finish provides a durable, high-gloss topcoat suitable for OEM plastic parts and primed substrates.
Technical highlights include a flash time of 5-10 minutes between coats and an estimated coverage of 10 sq ft per can at 1 mil dry film thickness. The formulation is compatible with OEM plastics, existing primer layers, and other standard automotive substrates, delivering consistent opacity and metallic sparkle.
Use in a well-ventilated area; the product contains VOCs at 701 g/L and has a flash point of -42 °C. Required PPE includes eye protection, gloves, protective clothing, and a respirator. Follow H-statements H222, H280, H304, H315, H336, H351, H361, and H373 for safe handling.
Why Pros Choose SEM SEM
- No adhesion promoter required
- No primer required
- Excellent adhesion and durability
- Matches OEM appearance
- Retains flexibility
- Great coverage
- Professional results
Application Guide
- Clean the OEM plastic trim and remove all waxes, oils, or contaminants; ensure the surface is dry.
- Apply a compatible primer if not already primed; allow it to cure according to its specifications.
- Shake the can thoroughly, then spray Bumper Coater™ 39273 evenly at the recommended distance (approximately 6-8 in) to achieve coverage of about 10 sq ft per can at 1 mil dry film thickness.
- Allow a flash time of 5-10 minutes before applying additional coats.
- Apply up to the required number of coats, maintaining the same flash interval between each coat.
- After the final coat, let the paint cure fully in a well-ventilated, cool, dry area before handling the part.
- Clean spray equipment with solvents or cleaning agents that meet VOC regulations.
Compatibility
Compatible substrates: Plastic.
Specifications
| Part No. | 39273 |
|---|---|
| Product Line | SEM |
| MFR Model | 39273 |
| Standard/Approvals | California Pro65 Warning: Cancer and Reproductive Harm |
| Manufacturer | SEM |
| UPC | 646786392733 |
| Brand | Bumper Coater™ |
| Solids Content | 8.6% |
| Color | Charcoal Metallic |
| Container Size (oz) | 16 |
| Curing Time | 5 to 10 min Flash Time |
| Coverage (sq-ft) | 20 |
- Flash Time
- 5-10 min between coats
- Coverage
- 10 sq ft per can @ 1 mil dry film thickness
- VOC
- 701 g/L
- Compatible Substrates
- OEM, plastic, primer
About SEM
SEM Products specializes in paint adhesion systems, flexible coatings, and plastic repair — the go-to choice for interior and trim refinishing.
Frequently Asked Questions
What substrates can Bumper Coater™ 39273 be applied to?
The aerosol is compatible with OEM plastic trim, pre-primed surfaces, and standard automotive primers.
How much area does one 16 oz can cover?
Approximately 10 sq ft per can when sprayed to a film thickness of 1 mil dry film thickness (dft).
What personal protective equipment is required when using this product?
Wear eye protection, chemical-resistant gloves, protective clothing, and a respirator approved for organic vapors.
How long should I wait between coats?
The flash time is 5-10 minutes; allow this interval before applying additional layers.
Documents & Safety
- Safety Data Sheet (SDS)
- bumpercoater_39073_specification_sheet.pdf
- 39023%20-%2039583%20TPO-Direct%20Bumper%20CoatersUSA.pdf
Danger - This aerosol contains highly flammable solvent and toxic vapors that can cause serious health effects if inhaled, swallowed, or absorbed through skin. Wear safety glasses, chemical-resistant gloves, protective clothing (coveralls), and a suitable respirator when spraying. Avoid breathing mist, contact with eyes or skin, and keep away from heat sources. Always refer to the full SDS before use.
Why Buy from autofxmart
- Authorized distributor — authentic, factory-fresh stock.
- Fast US shipping — most orders ship within 1 business day.
- 30-day returns — buy with confidence.
- Pro-shop pricing — bulk discounts available on request.
- Expert support — questions? Email us at support@autofxmart.com.
How to apply
Steps
1Clean and degrease the surface, then scuff as needed.
2Mask off surrounding panels and trim.
3Mix to the product's ratio and strain.
4Apply 2–3 even coats, flashing between each.
5Let cure fully before sanding, buffing, or assembly.
Specifications
Full data
Frequently asked
Good to know
SEM is compatible with Plastic. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
The curing time for SEM is 5 to 10 min Flash Time. Drying and curing times may vary with temperature, humidity, and film thickness — always consult the Technical Data Sheet (TDS) for exact cycle conditions.
This listing ships SEM in a 16 (CN) container. Check the autofxmart catalog for other sizes and bulk pricing.
Most in-stock orders for SEM ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup.
Yes. autofxmart is an authorized distributor of SEM products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact support@autofxmart.com and we will make it right.
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