SEM
SEM Rust Mort 69508 Acidic Compound, 1 pt Bottle, Green
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Overview
Built for the job.
Rust Mort™ is an acidic compound that removes or converts existing rust to an insoluble black coating prior to applying body filler, primer or top coat.
Why Pros Choose SEM
- Converts and removes light rust
- Converts heavy rust into a stable, workable substrate
- Creates ideal surface for filler or primer
- Easy to use
- Ready to apply
- Requires minimal surface preparation
- Minimal surface preparation
How to Use
For use on rusted ferrous metal
Compatibility
Compatible substrates: Body Filler.
Specifications
| Part No. | 69508 |
|---|---|
| Product Line | SEM |
| MFR Model | 69508 |
| Application | For use on rusted ferrous metal |
| Manufacturer | SEM |
| UPC | 646786695087 |
| Brand | Rust Mort™ |
| Maximum Sale Quantity | 3 |
| Maximum Sale Day | 7 |
| Rubberized | No |
| Color | Green |
| Container Type | Bottle |
| Form | Liquid |
| Finish | Matte |
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 surfaces can SEM be used on?
SEM is compatible with Body Filler. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
How fast does autofxmart ship SEM?
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.
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 support@autofxmart.com and we will make it right.
What is the manufacturer part number (MPN) for SEM?
The MPN for SEM is 69508. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
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.
Cure & dry schedule
Timing at 77°F
Flash
10 min
Tape-free
1 hr
Recoat
30 min
Full cure
24 hr
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 Body Filler. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
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.
The MPN for SEM is 69508. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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