3M
3M Automix 8458 Rigid Pillar Foam 200 mL Yellow Cartridge for Door Skins and Floor Pans
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Hazardous material · Liquid
Liquid hazmat ships ground-only via UPS/FedEx with a per-item carrier surcharge applied 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™ Rigid Pillar Foam is a two part urethane which foams in place to fill posts, pillars, and automotive body cavities with exceptional ease and consistent quality. This foam is easily to apply with a range of manual and pneumatic 3M™ applicators.
Why Pros Choose 3M MMA
- A high-performance, two-component rigid urethane closed-cell foam offers delayed reaction time
- Foam fills posts, pillars and other automotive body cavities to prevent panel flutter or provide rigidity
- Expanding properties of foam fill hard-to-reach cavities
- Foam replicates appearance and performance of many OEM products
How to Use
For door hem flanges, door skins, floor pans, general purpose, rear body panels, voids and gaps
Compatibility
Compatible paint systems: Urethane.
Specifications
| Part No. | 8458 |
|---|---|
| Product Line | MMA |
| MFR Model | 08458 |
| Standard/Approvals | OSHA 29 CFR 1910.1200 |
| Application | For door hem flanges, door skins, floor pans, general purpose, rear body panels, voids and gaps |
| Manufacturer | 3M Products |
| Trade Mark | Automix™ |
| Alternate Part Number-1 | 05113508458 |
| UPC | 051135084588 |
| Brand | 3M™ |
| Maximum Sale Quantity | 12 |
| Maximum Sale Day | 7 |
| Composition | 15 to 40% Polypropylene Glycol Glycerol Triether, 1 to 10% Dimethyl Siloxane, Reaction Product With Silica, 1 to 10% Water, 1 to 5% Diethylene Glycol, 1 to 5% Potassium Acetate, 0.5 to 1.5% Polyalkylene Glycol, 0.5 to 1.5% Siloxane Polyalkyleneoxide Copolymer |
| Specific Gravity | 1.24 |
| Color | Yellow |
| Container Size (mL) | 200 |
| Flash Point | >=200 deg F |
| Container Type | Cartridge |
| Form | Liquid |
| Temperature Rating (deg F) | -20 to 180 |
| Curing Time | 1 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 is the cure or dry time for 3M MMA?
The curing time for 3M MMA is 1 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 200 (PK) 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 8458. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
DANGER: This product contains chemicals that can cause serious health effects including cancer, reproductive harm, and organ damage. May cause severe eye and skin damage. Required PPE: safety glasses, chemical-resistant gloves, protective clothing, and respirator. Avoid skin contact, eye contact, and inhalation of vapors. Use only in well-ventilated areas. Flash point 390°F. 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.
Specifications
Full data
Frequently asked
Good to know
The curing time for 3M Products MMA is 1 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 MMA in a 200 (PK) container. Check the autofxmart catalog for other sizes and bulk pricing.
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.
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 MMA is 8458. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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