Built for the job.
Blenz-In is an aerosol blending solvent designed to melt the edge of two component urethane refinish topcoats into the existing coating. It keeps repairs to a single panel by creating an invisible blend.
Why Pros Choose SEM SEM
- Saves time and money
- Seamless blends
- 100% UV stable
How to Use
For use in MS and HS clear coats
Compatibility
Compatible paint systems: Urethane, Solvent.
Specifications
| Part No. | 38403 |
|---|---|
| Product Line | SEM |
| MFR Model | 38403 |
| Standard/Approvals | GHS and OSHA Hazard |
| Application | For use in MS and HS clear coats |
| Manufacturer | SEM |
| Trade Mark | Blenz-In |
| UPC | 646786384035 |
| Brand | SEM® |
| Rubberized | No |
| Container Size (oz) | 16 |
| Container Type | Aerosol Can |
| Form | Aerosol |
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 size does SEM SEM come in?
This listing ships SEM SEM in a 16 (CN) container. Check the autofxmart catalog for other sizes and bulk pricing.
How fast does autofxmart ship SEM SEM?
Most in-stock orders for SEM 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.
Is this SEM product genuine?
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 [email protected] and we will make it right.
What is the manufacturer part number (MPN) for SEM SEM?
The MPN for SEM SEM is 38403. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
- Safety Data Sheet (SDS)
- sem_38403_specification_sheet.pdf
- 38403%20Blenz%20InUSA.pdf
Signal Word: Danger. Wear chemical-resistant gloves, safety goggles or face shield, protective clothing (long sleeves and pants), and a suitable respirator when spraying. This aerosol is extremely flammable with a flash point of -103 °C, toxic if inhaled or swallowed, can cause serious eye damage, skin irritation, organ toxicity, and may affect reproductive health. It is also hazardous to aquatic life. 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 [email protected].








