3M
3M Windo-Weld 8609 Adhesive 10.5 oz Black Cartridge, Medium Viscosity Urethane
★ 5.0 (3)
Hazardous material · Paste
This hazardous material ships ground-only. A handling surcharge may be added at checkout.
Shipping restrictions apply
Ground freight only (UPS/FedEx). Cannot ship via Air, USPS, or to PO boxes. APO/FPO addresses excluded.
WARNING: Cancer & Reproductive Harm
This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm.Tap for details → P65Warnings.ca.gov
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Overview
Built for the job.
3M™ Windo-Weld™ Super Fast Urethane securely bonds replacement auto glass to car bodies, including windshields, backlites and sidelites. Formulated for convenience, our medium viscosity adhesive is a single-component, moisture-curing product that requires no mixing, which is an advantage because many windshield…
3M Windo‑Weld 08609 is a high‑strength, black paste adhesive supplied in a 10.5 fl‑oz cartridge. It is designed for rapid bonding of automotive glass, metal, and composite panels where a 10‑ to 20‑minute open‑time is required before cure.
The formulation delivers excellent sprayability and can be applied up to ten coats on a wide range of substrates, including ABS, aluminum, fiberglass, FRP, OEM plastics, primer, steel, and wood. Its fast cure window allows technicians to position components quickly while maintaining sufficient working time for precise alignment.
Handling this adhesive requires a “Warning” signal precaution. Use eye protection, chemical‑resistant gloves, protective clothing, and a respirator in a well‑ventilated area. Follow standard first‑aid procedures for inhalation, skin, eye, or ingestion exposure as outlined in the SDS.
Why Pros Choose 3M MMM
- Specialty adhesive bonds replacement windshields securely to auto bodies
- One-part urethane adhesive requires no mixing
- Fast-curing formula offers a 10 to 20 min working time
- Strong-gripping power offers a permanent bond
Application Guide
Compatibility
Compatible paint systems: Urethane.
Specifications
| Part No. | 8609 |
|---|---|
| Product Line | MMM |
| MFR Model | 08609 |
| Standard/Approvals | OSHA 29 CFR 1910.1200 |
| Manufacturer | 3M Products |
| Trade Mark | Windo-Weld™ |
| Alternate Part Number-1 | 60980036929 |
| UPC | 051135086094 |
| Brand | 3M™ |
| Maximum Sale Quantity | 12 |
| Maximum Sale Day | 7 |
| Composition | 30 to 60% Urethane Polymer, 10 to 30% Carbon Black, 10 to 30% Sulfonic Acids, 10 to 20% Kaolin, Calcined, 1 to 5% Hydrotreated Light Petroleum Distillates, 1 to 5% Toluene, 0.1 to 1% Methylenebis, 0.04% Dibutyltin Dichloride |
| Application Time | 10 to 20 min |
| Specific Gravity | 1.2 |
| Odor/Scent | Neutral |
| Color | Black |
| Container Size (oz) | 10.5 |
| Container Type | Cartridge |
| Form | Paste |
| Curing Time | 24 hr |
- Coverage
- excellent sprayability
- Compatible Substrates
- ABS, aluminum, fiberglass, FRP, OEM, plastic, primer, SMC, steel, wood
- Number of Coats
- 10
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 substrates can I bond with 3M Windo‑Weld 08609?
The adhesive is compatible with ABS, aluminum, fiberglass, FRP, OEM plastics, primer‑coated surfaces, SMC, steel, and wood.
How long do I have to work with the product before it sets?
Open‑time is 10 to 20 minutes at typical shop temperature; the adhesive begins to set after this period.
What personal protective equipment is required when using this adhesive?
Use eye protection, chemical‑resistant gloves, protective clothing, and a respirator approved for organic vapors and particulates.
Can I sand or paint over the cured adhesive?
Yes. Once the adhesive has fully cured, it can be sanded and painted using standard shop practices.
Documents & Safety
Warning: This adhesive contains flammable and potentially harmful chemicals. Required PPE: safety glasses, chemical-resistant gloves, protective clothing, and respirator in poorly ventilated areas. Key hazards include flammability, eye and skin irritation, respiratory effects, and potential long-term health risks with prolonged exposure. Ensure adequate ventilation during use. If contact occurs, flush immediately with water and seek medical attention if symptoms persist. 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 support@autofxmart.com.
How to apply
Steps
1Clean both surfaces to bare, dry substrate.
2Load the cartridge and fit the mixing nozzle.
3Apply an even bead (or clamp) where needed.
4Tool or smooth the joint before it skins over.
5Allow to cure fully before stressing or painting.
Specifications
Full data
Frequently asked
Good to know
The curing time for 3M Products MMM 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.
This listing ships 3M Products MMM in a 10.5 (TB) container. Check the autofxmart catalog for other sizes and bulk pricing.
Most in-stock orders for 3M Products MMM 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.
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.
The MPN for 3M Products MMM is 8609. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
What Our Customers Say
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5.0 / 5.0
(3 reviews)
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Works great other products would not hold sliding rear window track in place on F150. This worked great and holds quickly so place it where you want it or you likely will have to redo it over. Primer must be used or it won’t hold look on YouTube there’s a lot of videos on instruction.
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Worked as described, worked perfectly
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Pleasure doing business with
