DURAMIX BY SEYMOUR
DURAMIX BY SEYMOUR Heavy Bodied Seam Sealer - Beige (7 oz.)
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Overview
Built for the booth.
A high viscosity direct to metal seam sealer designed for sealing horizontal and vertical voids, joints and seams.
The DURAMIX 1370 Heavy Bodied Seam Sealer is a professional-grade two-component adhesive sealant designed for permanent sealing of joints, seams, and panel gaps in collision repair applications. This beige-colored sealer provides excellent adhesion and flexibility for automotive body work where durability and appearance are critical.
Formulated with a convenient 1:1 mix ratio, this sealer offers a 10-15 minute work time with handling strength achieved in 30-45 minutes and full cure in 6-8 hours. The heavy bodied consistency allows for precise application without sagging or dripping, making it ideal for vertical surfaces and gap filling. Compatible with aluminum, bare metal, e-coat, fiberglass, FRP, OEM finishes, primer, and SMC substrates, providing versatility across various repair scenarios.
Always use appropriate personal protective equipment including gloves, eye protection, and ensure adequate ventilation during mixing and application. Follow all manufacturer safety guidelines and local regulations for proper handling and disposal.
Why Pros Choose DURAMIX BY SEYMOUR DMX
- Working Time: 10 to 15 min.
- Handling Time: 30 to 45 min
- Sandable Time: 45 min
- Paintable Time: Immediately
- Full Cure Time: 6 to 8 hours
Specifications
| Part No. | 1370 |
|---|---|
| Product Line | DMX |
| Manufacturer | DURAMIX BY SEYMOUR |
| UPC | 043281010771 |
About DURAMIX BY SEYMOUR
DURAMIX BY SEYMOUR is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America.
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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
Work Time
10-15 Minutes
Paintable
Immediately
Handling
30-45 Minutes
Sandable
45-60 Minutes
Full Cure
6-8 Hours
How to apply
Steps
1Clean both surfaces to bare, dry substrate.
2Load the cartridge and fit the mixing nozzle.
3Apply an even bead (or clamp) where needed.
4Tool or smooth the joint before it skins over.
5Allow to cure fully before stressing or painting.
Specifications
Full data
Frequently asked
Good to know
Most in-stock orders for DURAMIX BY SEYMOUR DMX 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 DURAMIX BY SEYMOUR 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 DURAMIX BY SEYMOUR DMX is 1370. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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