08270 2-Part Repair Adhesive, 400 mL Cartridge, Liquid/Viscous, White/Dark Green, 10 min
3M™ SMC/fiberglass repair adhesives are two-part urethanes or two-part epoxies used to bond backup strips to SMC (sheet molded compound), FRP (traditional fiberglass) and primed metal. Our adhesives provide a full range of hardness, flexibility and work times for jobs such as reinforcing the backside of plastic…
Why Pros Choose 3M Products 2-Part
- Two part urethane or two part epoxy adhesives effectively bond rigid plastic
- Commonly used to bond backup strips to SMC and FRP (traditional fiberglass)
- Frequently used for backside reinforcement repair on a variety of plastic components
- Adhesive offers excellent sag-resistance
- A range of work times allows for maximum efficiency on specific jobs
How to Use
For bonding back-up strips and patches to rigid plastics, such as sheet molded compound (SMC), fiber reinforced polyester (FRP)
Compatibility
Compatible substrates: Fiberglass, Plastic, SMC.
Compatible paint systems: Urethane, Epoxy.
Specifications
| Part No. | 8270 |
|---|---|
| Product Line | MMA |
| MFR Model | 08270 |
| Standard/Approvals | OEM Approved |
| Application | For bonding back-up strips and patches to rigid plastics, such as sheet molded compound (SMC), fiber reinforced polyester (FRP) |
| Manufacturer | 3M Products |
| Alternate Part Number-1 | 60455050256 |
| UPC | 051135082706 |
| Brand | 3M™ |
| Maximum Sale Quantity | 6 |
| Maximum Sale Day | 7 |
| Applicable Materials | Fiberglass, SMC |
| Composition | 30 to 60% Methylene Phenylene Isocyanate, 30 to 60% NJTSRN 04499600-6779 Urethane Prepolymer, 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 A)/30 to 60% Polyether Polyol (NJTSRN 04499600-6782), 5 to 40% Talc, 3 to 7% Urethane Prepolymer (NJTSRN 04499600-6781), 1 to 5% Clay, <1% Piperazine (Part B) |
| Application Time | 90 s |
| Specific Gravity | 1.288 (Part A), 1 to 1.2 (Part B) |
| Base Type | Urethane |
| Component | 2K |
| Odor/Scent | Slight Isocyanate (Part A), Slight Ammonia (Part B) |
| Color | White (Part A), Dark Green (Part B) |
| Container Size (mL) | 400 |
| Setting Time | 5 min |
| Flash Point | >383 deg F (Part A), >340 deg F (Part B) |
| Container Type | Cartridge |
| Form | Liquid (Part A), Viscous (Part B) |
| Temperature Rating (deg F) | -40 to 180 |
| Type | 2-Part |
| Curing Time | 10 min |
About 3M Products
3M Products 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 3M Products MMA be used on?
3M Products 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 Products MMA?
The curing time for 3M Products MMA is 10 min. 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 Products MMA come in?
This listing ships 3M Products MMA in a 400 container. Check the autofxmart catalog for other sizes and bulk pricing.
How fast does autofxmart ship 3M Products MMA?
Most in-stock orders for 3M Products 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 Products product genuine?
Yes. autofxmart is an authorized distributor of 3M Products 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 Products MMA?
The MPN for 3M Products MMA is 8270. 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.