Duramix Fast Set 300 (7 oz.)
A clear 5 minute semi-flexible epoxy adhesive designed for quick repairs on metal, SMC, FRP, fiberglass and most plastic surfaces.
DURAMIX BY SEYMOUR 1480 Fast Set 300 is a rapid-cure two-part adhesive designed for quick structural bonding and repair applications in collision repair environments. With a convenient 1:1 mix ratio, this 7 oz. system eliminates guesswork during mixing and ensures consistent results across repairs.
The adhesive provides exceptional versatility with compatibility across multiple substrates including steel, aluminum, fiberglass, SMC, various plastics, and both bare metal and e-coated surfaces. Its 5-minute work time allows adequate application window while the 10-15 minute handling time minimizes shop downtime. Full cure is achieved in 6-8 hours, making it ideal for same-day repair completion.
This fast-setting system is particularly valuable for structural repairs where strength and speed are critical factors. The broad substrate compatibility reduces inventory requirements while maintaining reliable bond strength across different vehicle materials and OEM finishes.
Why Pros Choose DURAMIX BY SEYMOUR DMX
- Working Time: 5 min.
- Handling Time:10 to 15 min
- Sandable Time: 15 to 30 min.
- Paintable Time: 15 to 30 min.
- Full Cure Time: 6 to 8 hours
Application Guide
- Prepare substrate surface ensuring it is clean and free of contaminants. Compatible with aluminum, bare metal, e-coat, fiberglass, FRP, OEM finishes, plastic, SMC, and steel.
- Mix product at 1:1 ratio. Work time is 5 minutes after mixing, so prepare only the amount needed for immediate use.
- Apply mixed product to prepared surface within the 5-minute work time window.
- Allow 10-15 minutes handling time before proceeding with additional work.
- Allow full cure for 6-8 hours before final sanding or topcoat application.
Compatibility
Compatible substrates: Fiberglass, Plastic, SMC.
Compatible paint systems: Epoxy.
Specifications
| Part No. | 1480 |
|---|---|
| Product Line | DMX |
| Manufacturer | DURAMIX BY SEYMOUR |
| UPC | 043281010870 |
- Mix Ratio
- 1:1
- Work Time
- 5 minutes
- Handling Time
- 10-15 minutes
- Cure Time
- 6-8 hours
- Compatible Substrates
- Aluminum, bare metal, e-coat, fiberglass, FRP, OEM, plastic, SMC, steel
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.
Frequently Asked Questions
What surfaces can I use this on?
DURAMIX Fast Set 300 is compatible with aluminum, bare metal, e-coat, fiberglass, FRP, OEM finishes, plastic, SMC, and steel substrates.
How long does it take to cure?
Full cure time is 6-8 hours. You'll have about 5 minutes of work time after mixing, and handling time is 10-15 minutes.
What's the mix ratio for this product?
Mix at a 1:1 ratio by volume for proper curing and performance.
How much working time do I have after mixing?
You have approximately 5 minutes of work time once the product is mixed, so prepare your substrate and have tools ready before mixing.
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.