Duramix Fast Set 40 Adhesive (7 oz)

Seymour Duramix™ Fast Set 40 Adhesive Product Details

Seymour Duramix™ Fast Set 40 is a black 40-second semi-flexible epoxy adhesive designed for quick repairs on metal, SMC, FRP, fiberglass, and most automotive plastic surfaces.

It’s perfect for fast, targeted jobs where speed, handling strength, and dependable substrate bonding are critical. Use it for bumper tab repairs, quick interior panel repairs, clip retainers, small brackets, and other common collision repair adhesive applications.

With a 40- to 50-second working time and a 5- to 10-minute handling time, Duramix™ Fast Set 40 helps you complete small repairs efficiently and keeps your work moving.

40-Second Work Time for Fast, Targeted Repairs

You need an adhesive that sets fast and is easily sanded and painted because you’ve got more to get to. Duramix™ Fast Set 40 lets you handle small repairs efficiently without losing out on bond strength or repair quality.

Our formula bonds to a variety of properly prepared automotive substrates and can be used on flexible and semi-flexible surfaces, making it an excellent choice for body shops that need dependable, superior performance.

Fast Set 40 Repair Applications

Typical repair applications for our 40-second epoxy adhesive include:

• Bumper tab repairs
• Quick interior panel repairs
• Automotive clip retainer repairs
• Small bracket repairs
• Small plastic trim repairs
• Broken mounting point repairs
• Small metal-to-plastic & plastic-to-plastic repair applications

Features & Specifications

• Black 40-second semi-flexible epoxy adhesive
• Bonds a variety of substrates
• Sandable
• Paintable
• Can be used on flexible and semi-flexible substrates
• Fast set time for maximum productivity
• Mixing ratio: 1:1
• Work time: 40 to 50 seconds
• Handling time: 5 to 10 minutes
• Sandable: 15 to 30 minutes
• Paintable: 15 to 30 minutes
• Full cure: 6 to 8 hours
• 7 oz cartridge

Substrates

Duramix™ Fast Set 40 Adhesive may be used on properly prepared automotive substrates, including:

• Bare metal
• Primed & painted surfaces
• OEM e-coat
• Aluminum
• SMC
• FRP
• Fiberglass
• Most automotive plastics

*Polyethylene cannot be repaired with Duramix™ Fast Set 40, even when used with plastic adhesion promoter.

Application Notes

• For professional use only.
• Dry fit parts before applying adhesive to confirm proper fit and alignment.
• The use of a plastic adhesion promoter is not recommended on fiberglass, SMC, FRP, steel, or aluminum.
• Follow applicable OEM repair procedures and product instructions for surface preparation, application, curing, sanding, and refinishing.
• Refer to the Safety Data Sheet (SDS) and label for safe use and handling instructions.

Recommended Tools & Accessories

• Duramix 2K Manual Applicator Gun
• Duramix 2K Pneumatic Applicator Gun
• Static Mixer 100 Case Pack