SEM
SEM Dual-Mix 40377 Heavy Bodied 2-Component Seam Sealer, 7 oz Cartridge, Liquid, Black, 1 hr at 70 d
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Overview
Built for the job.
Dual-Mix™ Heavy bodied seam sealer is a high viscosity, two-component epoxy for use on interior or exterior seams, joints and voids.
Why Pros Choose SEM Heavy Bodied 2-Component
- Dual-Mix™ forever warranty
- OEM recommended
- Direct to metal
- Paintable immediately with most solvent-based coatings
- Correct color minimizes post-inspection liability
- Non-sag formula holds tooling marks
- Fast cure increases production
- Remains flexible without shrinking or cracking
- Sprayable for additional versatility
- Ideal for use with new ORBiT™ to duplicate OE ripple bead
How to Use
For use on bare metal, OEM finish, epoxy primer and DTM urethane primer
Compatibility
Compatible paint systems: Epoxy, Solvent.
Specifications
| Part No. | 40377 |
|---|---|
| Product Line | SEM |
| MFR Model | 40377 |
| Standard/Approvals | GHS07 | GHS08 | OSHA HCS Hazard | OEM Approved | California PROP65 Warning: Cancer and Reproductive Harm |
| Application | For use on bare metal, OEM finish, epoxy primer and DTM urethane primer |
| Manufacturer | SEM |
| UPC | 646786403774 |
| Brand | Dual-Mix™ |
| Maximum Sale Quantity | 6 |
| Maximum Sale Day | 7 |
| Applicable Materials | Bare metal, Primed Surfaces |
| Composition | 30 to 40% Bisphenola(chloro)oxirane Polymer, 5 to 7% Fumed Silica, 5 to 7% Epoxy Resin, 1.5 to 5% Modified Diglycidal Ether |
| Application Time | 10 min at 70 deg F |
| Paintable (Y/N) | Yes |
| Sprayable (Y/N) | Yes |
| Odor/Scent | Characteristic |
| Color | Black |
| Setting Time | 15 min at 70 deg F |
| Flash Point | 257 deg C |
| Container Size (oz) | 7 |
| Container Type | Cartridge |
| Form | Liquid |
| Temperature Rating (deg F) | 70 |
| Type | Heavy Bodied 2-Component |
| Curing Time | 1 hr at 70 deg F |
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 is the cure or dry time for SEM SEM?
The curing time for SEM SEM is 1 hr at 70 deg F. 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 SEM SEM come in?
This listing ships SEM SEM in a 7 container. Check the autofxmart catalog for other sizes and bulk pricing.
How fast does autofxmart ship SEM SEM?
Most in-stock orders for SEM SEM 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 SEM product genuine?
Yes. autofxmart is an authorized distributor of SEM 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 SEM SEM?
The MPN for SEM SEM is 40377. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
Documents & Safety
- Safety Data Sheet (SDS)
- dualmix_39337_catalog.pdf
- dualmix_40377_specification_sheet.pdf
- 40377%20Heavy%20Bodied%20Black%20Seam%20SealerUSA.pdf
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 SEM is 1 hr at 70 deg F. 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 SEM in a 7 container. Check the autofxmart catalog for other sizes and bulk pricing.
Most in-stock orders for SEM 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 SEM 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 SEM is 40377. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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