SEM
SEM Dual-Mix 40277 Heavy Bodied Seam Sealer, 7 oz Cartridge, Beige, Liquid, 1 hr Curing
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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
- 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 interior or exterior seams, joints and voids
Compatibility
Compatible paint systems: Epoxy, Solvent.
Specifications
| Part No. | 40277 |
|---|---|
| Product Line | SEM |
| MFR Model | 40277 |
| Standard/Approvals | California Pro65 Warning: Cancer and Reproductive Harm |
| Application | For use on interior or exterior seams, joints and voids |
| Manufacturer | SEM |
| UPC | 646786402777 |
| Brand | Dual-Mix™ |
| Maximum Sale Quantity | 6 |
| Maximum Sale Day | 7 |
| Applicable Materials | Bare Metal, Primed Surface |
| Composition | 13 to 30% Bisphenola(Chloro)Oxirane Polymer, 5 to 7% Fumed Silica, 1.5 to 5% Epoxy Resin, 1.5 to 5% Modified Diglycidal Ether,>=1.5 to <5% 2,4,6-Tris(Dimethylaminomethyl)Phenol, 1 to 1.5% 1,3-Bis(2,3-Epoxypropoxy)-2,2-Dimethylpropane,>=0.1 to <1% Castor Oil Glycidal Ether,>=0.1 to <1% (3-(2,3-Epoxypropoxy)Propyl)Trimethoxysilane |
| Application Time | 10 min |
| Paintable (Y/N) | Y |
| Sprayable (Y/N) | Y |
| Component | 2K |
| Odor/Scent | Characteristic |
| Color | Beige |
| Setting Time | 15 min |
| Flash Point | 249 deg C |
| Container Size (oz) | 7 |
| Container Type | Cartridge |
| Form | Liquid |
| Temperature Rating (deg F) | 70 |
| Type | Heavy Bodied |
| Curing Time | 1 hr |
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?
The curing time for SEM 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 SEM come in?
This listing ships SEM in a 7 container. Check the autofxmart catalog for other sizes and bulk pricing.
How fast does autofxmart ship SEM?
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.
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?
The MPN for SEM is 40277. 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.
Cure & dry schedule
Timing at 77°F
Skin
10 min
Handle
1 hr
Paintable
30 min
Full cure
24 hr
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. 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 40277. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs.
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