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Pro-grade auto-body supply ยท Any quantity ยท 23,000+ SKUs in stock
23,000+ pro-grade SKUs in stock
SEM

SEM 29372 1-Component Seam Sealer Gray 10.1 oz Tube for Interior/Exterior Joints

โ˜… 5.0 (2)
$21.53
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Overview

Built for the job.

SEMยฎ 1K Seam Sealer is a versatile, single component sealer for sealing interior or exterior seams, joints, and voids.

Why Pros Choose SEM 1-Component

  • OEM recommended
  • Direct to metal
  • Paintable immediately
  • Remains flexible without shrinking or cracking
  • Colors match many OEM sealers
  • Optimal working time
  • Corrosion resistant
  • Resistance weldable
  • Excellent adhesion

How to Use

For use on properly prepped primed or painted surfaces and bare metal

  1. Clean and dry the substrate (aluminum, OEM primer, steel) to remove oil, rust, and loose material.
  2. Dispense the 1โ€‘component seam sealer directly from the tube; no mixing ratio is required.
  3. Apply the sealer with a brush, roller, or suitable applicator to fill the seam. Work within the 5โ€‘10โ€ฏminute work (flash) window.
  4. If a second coat is required, apply it after the flash time and repeat stepโ€ฏ3.
  5. Allow the seam to cure for 24โ€ฏhours at 70โ€ฏยฐF (21โ€ฏยฐC) to achieve a 4โ€ฏmm film thickness.

Compatibility

Compatible paint systems: 1K.

Specifications

Technical specifications for SEMยฎ 29372 2900 1-Component Seam Sealer, 10.1 fl-oz Tube, Liquid, Gray, 1K Component, 24 hr at 70 deg F Curing
Part No. 29372
Product Line SEM
MFR Model 29372
Standard/Approvals GHS07 | OSHA HCS Hazard | OEM Approved | California PROP65 Warning: Cancer
Application For use on properly prepped primed or painted surfaces and bare metal
Manufacturer SEM
UPC 646786293726
Brand SEMยฎ
Maximum Sale Quantity 12
Maximum Sale Day 7
Applicable Materials Prepped Prime and Painted Surfaces, Bare Metal
Composition 13 to 30% Calcium Carbonate Calcium Carbonate, 13 to 30% 1,2-benzenedicarboxylic Acid, Bis(2-propylheptyl)ester, >=1.5 to <3% N-(3-(trimethoxysilyl)propyl)ethylenediamine, 1 to 1.5% Titanium Dioxide
Application Time 5 to 10 min at 70 deg F
Paintable (Y/N) Yes
Component 1K
Odor/Scent Characteristic
Color Gray
Setting Time 20 to 30 min at 70 deg F
Flash Point 98 deg C
Container Size (oz) 10.1
Container Type Tube
Form Liquid
Series 2900
Temperature Rating (deg F) 70
Type 1-Component
Curing Time 24 hr at 70 deg F
Work Time
5โ€“10โ€ฏmin @ 70โ€ฏยฐF (21โ€ฏยฐC)
Dry Time
24โ€ฏhr @ 70โ€ฏยฐF (21โ€ฏยฐC) for 4โ€ฏmm film
VOC
Zero
Compatible Substrates
Aluminum, OEM primer, steel
Coverage
Professional results

About SEM

SEM Products specializes in paint adhesion systems, flexible coatings, and plastic repair โ€” the go-to choice for interior and trim refinishing.

Frequently Asked Questions

What substrates can I apply SEMยฎ 29372 Seam Sealer to?

It is compatible with aluminum, OEM finishes, primer, and steel substrates.

How long does the seam sealer take to cure?

At 70โ€ฏยฐF (21โ€ฏยฐC) the material reaches a 4โ€ฏmm depth cure in 24โ€ฏhours.

What personal protective equipment is required when using this product?

Wear eye protection, chemicalโ€‘resistant gloves, protective clothing, and a respirator as recommended in the SDS.

Can I sand or paint over the cured seam sealer?

Yes. Once fully cured (24โ€ฏhours at 70โ€ฏยฐF), the seam sealer can be sanded and painted to achieve professional results.

Documents & Safety

Danger: This seam sealer is toxic if inhaled or swallowed, can cause serious eye damage and skin burns, is a known carcinogen, and is harmful to aquatic life. Wear safety glasses, chemicalโ€‘resistant gloves, protective clothing, and a suitable respirator when handling. Rinse skin thoroughly with water if contact occurs and seek fresh air immediately if inhaled. Avoid release to waterways. Always refer to the full SDS before use.

Why Buy from autofxmart

  • Authorized distributor โ€” authentic, factory-fresh stock.
  • Fast US shipping โ€” most orders ship within 1 business day.
  • 30-day returns โ€” buy with confidence.
  • Pro-shop pricing โ€” bulk discounts available on request.
  • Expert support โ€” 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

BrandSEM
Part #29372
UPC646786293726
ApplicationFor use on properly prepped primed or painted surfaces and bare metal
Size10.1
ColorGray
OriginUS
ConditionNew
Applicable MaterialsPrepped Prime and Painted Surfaces, Bare Metal
Frequently asked

Good to know

The curing time for SEM is 24 hr at 70 deg F. Drying and curing times may vary with temperature, humidity, and film thickness โ€” always consult the Technical Data Sheet (TDS) for exact cycle conditions.
This listing ships SEM in a 10.1 (TB) 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 1โ€“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 29372. 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 (2 reviews)
  • fast and exact

  • great ebay transaction A+