Built for the job.
Dual-Mix™ rigid plastic repair material is a two component, fiber enriched epoxy used for bonding and cosmetic repair of carbon fiber, SMC, Metton®, fiberglass and other rigid plastics.
Why Pros Choose SEM SEM
- Dual-Mix™ forever warranty
- OEM recommended
- One product for bonding and repair
- Exceptional bonding strength
- Outstanding sanding and feather edging
- Fiber enriched formula helps control swelling and halos
- Easy to dispense and spread
How to Use
For bonding and cosmetic repair
- Clean the substrate (carbon fiber, fiberglass, OEM plastic, SMC) to remove dust, grease, and loose material.
- Dispense the Dual-Mix™ 40887 from the 7 oz cartridge and mix according to the manufacturer’s instructions; work time is 35 minutes at 70 °F (21 °C).
- Apply the mixed material in a single coat, shaping as needed for the repair.
- Allow the part to air-dry for up to 3 hours at 70 °F (21 °C) before handling or sanding.
- Clean any excess material from tools and surrounding areas with an appropriate solvent while still wet.
Compatibility
Compatible substrates: Fiberglass, Plastic, SMC, Carbon Fiber.
Compatible paint systems: Epoxy.
Specifications
| Part No. | 40887 |
|---|---|
| Product Line | SEM |
| MFR Model | 40887 |
| Standard/Approvals | California Pro65 Warning: Cancer and Reproductive Harm |
| Application | For bonding and cosmetic repair |
| Manufacturer | SEM |
| UPC | 646786408878 |
| Brand | Dual-Mix™ |
| Applicable Materials | SMC, Fiberglass, Carbon Fiber, Metton, Other Rigid Plastics |
| Composition | >=25 to =7 to =1.5 to =0.1 to =0.1 to =0.1 to =0.1 to <1% N-(3-(Trimethoxysilyl)Propyl)Ethylenediamine |
| Application Time | 35 min |
| Component | 2K |
| Odor/Scent | Characteristic |
| Color | White |
| Setting Time | 3 hr |
| Flash Point | 82 deg C |
| Container Size (oz) | 7 |
| Container Type | Cartridge |
| Form | Liquid |
| Temperature Rating (deg F) | 140 |
- Work Time
- 35 min at 70°F (21°C)
- Dry Time
- 3 hr at 70°F (21°C)
- Sandable Time
- Air dry: 3 hr at 70°F (21°C)
- Compatible Substrates
- Carbon fiber, fiberglass, OEM plastic, SMC
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 substrates can Dual-Mix™ 40887 be applied to?
It is compatible with carbon fiber, fiberglass, OEM plastics, generic plastic, and SMC (sheet-molded compound) surfaces.
How much working time do I have after dispensing?
The material provides a work (pot) time of 35 minutes at 70 °F (21 °C).
When can I sand the repair?
Sandable time is reached after air drying for approximately 3 hours at 70 °F (21 °C). Sand only after the surface is fully dry.
What personal protective equipment is required?
Use eye protection, chemical-resistant gloves, protective clothing, and a respirator as indicated on the SDS.
How long does it take for the material to cure completely?
Full dry time is about 3 hours at 70 °F (21 °C); after this period the repair can be sanded and primed for paint.
Documents & Safety
- Safety Data Sheet (SDS)
- dualmix_40887_specification_sheet.pdf
- 40887%20Dual-Mix%20Rigid%20Plastic%20Repair%20MaterialUSA.pdf
Signal Word: Danger. Wear safety glasses or goggles, chemical-resistant gloves, protective clothing (coveralls or lab coat), and a suitable respirator when handling this material. The product can cause severe eye damage, skin corrosion, respiratory irritation, is flammable, toxic if inhaled or swallowed, harmful to aquatic life, and is classified as a carcinogen and reproductive toxin. Always refer to the full SDS before use.
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 [email protected].








