Browse all SEM products · Shop more Coatings & Primers
SEM
SEM 69504 – Rust Mort™ Rust Treatment (Quart)
$32.99
Price Match Guarantee
We Price Match
Found a lower price? We'll match any major distributor or valid online sales channel, including Amazon. Contact us with a link and we'll beat or match the price.
Fast Shipping
Ships Fast
Orders ship same or next business day. Free shipping on orders over $50. Orders under $50 ship for a $10 flat rate. Priority shipping available at checkout for $20.
30-Day Returns
Hassle-free return policy
Expert Support
(818) 554-5810
Same / Next Day
Orders ship fast
Why Buy from RDI
Expert technical support from refinish professionals
Competitive pricing with price match guarantee
Free shipping on orders over $50 — ships same or next business day
Hassle-free 30-day returns on all products
Trusted by body shops and refinish pros nationwide
Product Description
SEM 69504 Rust Mort™ chemically converts iron oxide (rust) into a stable, paintable surface on automotive body panels. Applied by brush or spray, it transforms active rust into a sealed primer-like surface that stops corrosion and provides a ready-to-topcoat base.
Key Features:
- Rust Conversion: Chemically transforms iron oxide into a stable, sealed surface.
- Paintable: Creates a topcoat-ready surface over converted rust.
- Corrosion Prevention: Stops active rust and prevents further oxidation.
- Brush or Spray: Versatile application for spot repairs and larger areas.
- Quart Size: Economical for multiple repairs.
Technical Specifications
| Part Number | 69504 |
| Color | Clear/Dark |
| Size | 1 Quart |
| Application | Rust Treatment, Corrosion Repair, Rust Conversion |
| Country of Origin | USA |
| SKU | SEM-69504 |
| Brand | SEM |
| Product Type | Exterior Coating |
Shipping & Returns
Shipping
- Orders ship same or next business day
- Free shipping on all orders over $50
- $10 flat rate shipping on orders under $50
- Priority shipping available for $20
Returns
- 30-day return policy on unused, unopened items
- Contact our support team to initiate a return
- Refund issued within 5 business days of receiving the return
You May Also Like
SEMSEM 39143 – Trim Black Aerosol (16 oz)
$17.49
3M3M 07745 – Scotch-Brite™ Clear Blend Prep Scuff (4.75 in x 15 ft)
$29.99
SEMSEM 15363 – Color Coat™ Flexible Coating, Portola Red (16 oz Aerosol)
$19.73
SEMSEM 15013 – Color Coat™ Flexible Coating, Landau Black (16 oz Aerosol)
$19.47
3M3M 26778 – Performance™ Spray Gun System with PPS
$404.99
