3M
3M 8277 Fiberglass Matting Adhesive 2-Part 400 mL Dual Cartridge White/Dark Green
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Overview
Built for the job.
3M™ fiberglass matting adhesive is a low viscosity two-part urethane used to saturate fiberglass cloth or mat when preparing backup patches. Our adhesive may also be used for filling cracks, channels and areas restricting the application of an adhesive bead. Due to its excellent absorption into fiberglass mat or…
Why Pros Choose 3M 2-Part
- A high performance low viscosity two-component urethane adhesive
- Adhesive is used to saturate fiberglass cloth when preparing backup patches
- Secondary use includes filling cracks, channels and areas restricting the application of an adhesive bead
- Use with 3M™ performance manual applicator, PN 08284 and 3M™ static mixing nozzle, PN 08193
How to Use
For filling cracks, channels and areas restricting the applications of an adhesive bead
Compatibility
Compatible substrates: Fiberglass, Plastic, SMC.
Compatible paint systems: Urethane, Polyester.
Specifications
| Part No. | 8277 |
|---|---|
| Product Line | MMA |
| MFR Model | 08277 |
| Standard/Approvals | OEM Approved |
| Application | For filling cracks, channels and areas restricting the applications of an adhesive bead |
| Manufacturer | 3M Products |
| Alternate Part Number-1 | 60455050298 |
| UPC | 051135082775 |
| Brand | 3M™ |
| Applicable Materials | Fiberglass Mat/Cloth |
| Composition | 30 to 60% Methylene Phenylene Isocyanate, 30 to 60% Urethane Prepolymer, 10 to 30% 4,4'-Diisocyanatodiphenylmethane Polymer, 7 to 13% Talc, 7 to 13% Aluminum Silicate, 1 to 5% Thickening Agent (Part A)/30 to 60% Methylene Phenylene Isocyanate, 30 to 60% Urethane Prepolymer (NJTSRN 04499600-6779, 10 to 30% 4,4'-Diisocyanatodiphenylmethane Polymer, 7 to 13% Talc, 7 to 13% Aluminum Silicate (NJTSRN 04499600-6789), 1 to 5% Thickening Agent (NJTSRN 04499600-6784) (Part B) |
| Application Time | 10 min |
| Specific Gravity | 1.288 (Part A), 1 to 1.1 (Part B) |
| Base Type | Urethane (Part A), Curative (Part B) |
| Component | 2K |
| Odor/Scent | Slight Isocyanate (Part A), Slight Ammonia (Part B) |
| Color | White (Part A), Dark Green (Part B) |
| Container Size (mL) | 400 |
| Flash Point | >383 deg F (Part A), >340 deg F (Part B) |
| Container Type | Dual Cartridge |
| Form | Liquid (Part A), Viscous (Part B) |
| Temperature Rating (deg F) | -40 to 180 |
| Type | 2-Part |
| Curing Time | 24 hr |
About 3M
3M is a global leader in abrasives, masking, and body repair products. Trusted by OEM collision centers for high-performance prep and finishing solutions.
Frequently Asked Questions
What surfaces can 3M MMA be used on?
3M MMA is compatible with Fiberglass, Plastic, SMC. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish.
What is the cure or dry time for 3M MMA?
The curing time for 3M MMA is 24 hr. Drying and curing times may vary with temperature, humidity, and film thickness — always consult the Technical Data Sheet (TDS) for exact cycle conditions.
What size does 3M MMA come in?
This listing ships 3M MMA in a 400 container. Check the autofxmart catalog for other sizes and bulk pricing.
How fast does autofxmart ship 3M MMA?
Most in-stock orders for 3M MMA 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.
Is this 3M product genuine?
Yes. autofxmart is an authorized distributor of 3M 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.
What is the manufacturer part number (MPN) for 3M MMA?
The MPN for 3M MMA is 8277. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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.
Specifications
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