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3m white urethane seam sealer - permanently flexible, high solids, 310ml/10.5 fl oz cartridge logo

3M White Urethane Seam Sealer - Permanently Flexible, High Solids, 310mL/10.5 fl oz Cartridge Review

6

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🚙 Car Fillers, Adhesives & Sealants, 🛠️ Car Care

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Details

MaterialUrethane
Brand3M
ColorWhite
StyleCartridge
Item Dimensions LxWxH9.72 x 8.19 x 6.3 inches

Description of 3M White Urethane Seam Sealer - Permanently Flexible, High Solids, 310mL/10.5 fl oz Cartridge

Product Characteristics

The 3M Urethane Seam Sealer, also known as the 3M 08368, is a high-quality adhesive and sealant specially designed for automotive applications. Its single-component formula makes it easy to use, adhering exceptionally well to various surfaces, including bare metal, primed metal, and painted surfaces. With its moisture-curing property, this seam sealer delivers outstanding performance even in high heat and humidity environments, ensuring long-lasting and reliable results.

This white-colored seam sealer comes in a convenient 310mL/10.5 fl oz cartridge, providing ample material for your automotive projects. Its high solids content ensures robust and durable bonding, making it an ideal choice for sealing seams and joints effectively.

Similar Products in the Market

If you're looking for alternatives to the 3M Urethane Seam Sealer, you'll find various options in the Car Fillers, Adhesives & Sealants category. However, what sets this product apart is its non-shrinking and non-cracking properties, which keep the sealant flexible and resistant to environmental stresses. Unlike solvent-based sealers, this urethane-based product provides superior results, offering a reliable and long-lasting solution for automotive sealing needs.

Problems Solved

The 3M Urethane Seam Sealer effectively addresses the common challenges faced when dealing with automotive seams and joints. It prevents water, dust, and other debris from penetrating gaps, protecting your vehicle's interior and preventing potential damage. Its permanence and flexibility ensure that the seal won't crack or shrink over time, maintaining the integrity of the bond and prolonging the life of your automotive projects.

Important Parameters and Versatility

This high solids seam sealer provides excellent coverage, allowing you to apply it precisely where needed without excessive waste. It's suitable for both professional auto body shops and DIY enthusiasts, thanks to its user-friendly single-component formula. Whether you're restoring classic cars, repairing minor damages, or working on custom automotive projects, the 3M Urethane Seam Sealer is a valuable addition to your toolkit.

Here are some common applications for this product:

  • Sealing seams in automotive body panels
  • Joining and bonding automotive parts
  • Repairing gaps and joints
  • Restoring vintage cars

    • With its superior performance and versatility, this seam sealer is a must-have for anyone working on automotive maintenance, repair, or restoration projects.

    SINGLE COMPONENT FORMULA: Adheres well to bare metal, primed metal and painted surfaces. MOISTURE CURING PROPERTY: Provides excellent performance in high heat and humidity environments. NON-SHRINKING, NON-CRACKING: Remains flexible and offers superior results to solvent-based sealers. QUICK DRYING: Paintable after 30-45 minutes. THICK CONSISTENCY: Fills large voids and can be smoothed to a featheredge or brushed. For industrial/occupational use only. Not for consumer sale or use.

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    Reviews

    Global ratings 6
    • 5
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    • 4
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    • 3
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    • 1
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    Type of review

    Revainrating 5 out of 5

    Best in class for Robben

    Went down quick and easy. Subtract what you don't need. Put on nitrile gloves and smooth with your finger. Working time about 15 minutes, dries up to 45. Elastic after drying, fills the gaps very well, does not drip or flow.

    Pros
    • Dope 🔥
    Cons
    • Makes me nervous

    Revainrating 5 out of 5

    easy to work with - Hardware

    bought this for a rail leak on your Honda van. Wash the channels with soap and water. dried sewer sealant. I wore a carnation and it was easy to work with as long as you handed it in and edited it semi-quickly. currently in testing. dries to hard, flexible gum. Thanks.

    Pros
    • Acceptable
    Cons
    • I vaguely remember

    Revainrating 5 out of 5

    Dirty but good in hardware

    This is the product everyone recommends for sealing a dripper on a classic truck or car and it seems good but it's really dirty. Be sure to use masking tape on surfaces you're not using. I don't want to stick it on because trying to peel it off will destroy what you've just put on. Just do the prep work and take your time.

    Pros
    • Easy to use
    Cons
    • Piggy bank price

    Revainrating 5 out of 5

    i love this stuff in Adhesives and Sealants

    I love this stuff, I use it for everything haha. I've talked a lot about rust holes in my ZJ jeep and I used this to seal the edges of the new metal I riveted to to fix the rust holes. It is excellent for filling small holes. It's well worth the money and way better than the cheap stuff you can get from the parts store, trust me I've used both.

    Pros
    • Brilliant made
    Cons
    • Secret

    Revainrating 5 out of 5

    Easy to use and covers well

    Had to fix rust in the cockpit of my 95 S10 and reseal the bottom and bulkhead. 3M 08367 was very easy to work with and covered the seams well. I applied it during the day and painted over it within 24-26 hours. 2 more weeks of wiring, adding noise insulation and cutting/installing new carpet. Seam sealing still looks perfect. I can't tell how difficult it would be to apply with a manual caulking gun as I used a battery powered gun, but it flowed great on the lowest settings.

    Pros
    • Very good value for money
    Cons
    • Modern

    Revainrating 5 out of 5

    Works as it should.

    I bought this brand mainly because of the name but it works well. I put it straight into my caulking gun and started using it right away. It really flows the way a bead "sealant" should. As far as I can tell, it's not free-flowing or self-aligning. I used a Bondo spreader to spread it smoothly and evenly over the joints after changing the bottom of the car. I also taped the intended coverage area and after I finished applying the sealant I pulled up the tape. It hardens to a rubbery surface. It

    Pros
    • A dream come true
    Cons
    • No instructions