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3M Urethane Seam Sealer, 08361, Gray Color, High Solids, Permanently Flexible, 310 mL/10.5 fl oz Foil Pack

4.6 4.6 out of 5 stars 1,134 ratings

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Foil Pack
Gray

Purchase options and add-ons

Material Urethane
Brand 3M
Style Foil Pack
Item Weight 0.83 Pounds
Item Dimensions LxWxH 1.9 x 1.9 x 0.7 inches

About this item

  • 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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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 1.9 x 1.9 x 0.7 inches; 13.28 ounces
  • Item model number ‏ : ‎ 08361
  • Date First Available ‏ : ‎ April 14, 2007
  • Manufacturer ‏ : ‎ 3M
  • ASIN ‏ : ‎ B000PEY4ZI
  • Country of Origin ‏ : ‎ France
  • Customer Reviews:
    4.6 4.6 out of 5 stars 1,134 ratings

Product Description

3M Urethane Seam Sealer 08361 is a high-solids seam sealer ideal for sealing automotive and RV seams and joints. It adheres well to bare metal, primed metal and painted surfaces, and if desired can be smoothed to a featheredge and/or brushed. Tack free and paintable after 30-45 minutes, this urethane formula is permanently flexible and offers superior performance to solvent-based sealers. Cure Time: 24 Hours Handling Time: 10-20 Minutes Work Time: 5-10 Minutes

Important information

Legal Disclaimer

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert. For additional product information, visit www.3M.com.


From the manufacturer

3M Urethane Seam Sealer

3M Urethane Seam Sealer is a high solids seam sealer ideal for sealing automotive and RV seams and joints. It adheres well to bare metal, primed metal and painted surfaces, and if desired can be smoothed to a featheredge and/or brushed. Tack free and paintable after 30-45 minutes, this urethane formula is permanently flexible and offers superior performance to solvent-based sealers.

Create Tight, Long-Lasting Seals

3M Urethane Seam Sealer helps when sealing interior or exterior seams to help prevent the intrusion of water, dust, and air, aiding in providing corrosion resistance. Choose this seam sealer for high-quality sealing of seams and joints on primed metal or painted surfaces, and even on bare metal. Applies easily, formulated for long-lasting support to the seam without shrinking or cracking.

Fill in Gaps with Confidence

With its thick consistency, 3M Urethane Seam Sealer is an excellent gap filler and you can feel confident using this sealer to fill large voids between parts where they occur. Designed to be used over epoxy or urethane based primers, the sealer comes in several colors to enable color matching. Note that the filler should be top coated when exposed to ultra violet rays.

Details

  • High quality, 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, low odor formula, offers superior results to solvent-based sealers
  • Paintable after 30-45 minutes
  • Thick consistency is able to fill large voids
  • Can be smoothed to a featheredge or brushed
  • Recommended for use with 3M Single Cartridge Applicator Gun PN08990 or 3M Caulking Gun PN08993
 3M Urethane Seam Sealer Gray 08361 In Use

Excellent Performance in High Heat and Humidity While some seam sealers require cure time in a completely dry environment, our 3M Urethane Seam Sealer is moisture-curing so it provides a reliable seal regardless of moisture or humidity in the air. It can be painted after 30-45 minutes.

Rigid or Flex Pack Options This sealer comes in either a flexible foil pack or rigid metal cartridge. Application of the cartridge sealer requires the use of a 3M Single Component Cartridge Applicator Gun - pneumatic (08990) or 3M Professional Caulking Gun (08993), and 3M Threaded Cartridge Nozzles (08187). Foil packs are designed for use with 3M Flexible Package Applicator Gun - Pneumatic (08399) or 3M Flex Pack Applicator (08398) these include one applicator nozzle, additional nozzles may be acquired as PN (08188).

What's in the box

  • Urethane Seam Sealer
  • Looking for specific info?

    Customer reviews

    4.6 out of 5 stars
    4.6 out of 5
    1,134 global ratings

    Customers say

    Customers like the quality and ease of use of the sealant. For example, they say it's easy to apply and spread, and does the job well. That said, some complain it didn't come with the applicator nozzle.

    AI-generated from the text of customer reviews

    77 customers mention64 positive13 negative

    Customers like the quality of the sealant. They say it does the job well, works great, and is awesome. Some mention that it works in a standard caulk gun and seems to be holding well. Some say that it doesn't flow into cracks and does a great job sealing a leaking joint.

    "Caulk gun style tube! Huge! feels like it's quality product, it did not fix my issue, but I do not fault the product for that" Read more

    "Super easy to install and amazing! This shower head is sooo great. The pressure is great! We are so happy with this shower head...." Read more

    "Fits right into normal caulk gun." Read more

    "Worked great, got about 25' of a heavy bead per tube. Bought 3 tubes, only came with one tip...." Read more

    30 customers mention25 positive5 negative

    Customers find the sealant easy to apply and work with. They mention it tools well, sets up quick, and is easy to spread. Some say that it's easier to apply with a nozzle, while others say it can be applied with sandpaper or a normal caulk gun.

    "Super easy to install and amazing! This shower head is sooo great. The pressure is great! We are so happy with this shower head...." Read more

    "Absolutely easy to use and easy to spread. Does the job well as long as you do good prep...." Read more

    "...One tube revealed the entire firewall and cowl of my 70 C10.Went on easy using a pneumatic caulk gun and 2 trimmed down acid brushes taped..." Read more

    "...It works as advertised, stays flexible when cured and is able to be applied with a normal caulk gun...." Read more

    17 customers mention0 positive17 negative

    Customers are dissatisfied with the missing parts in the sealant. They mention that it arrived damaged and without the nozzle, cap, and dispensing nipple.

    "Can’t use the product due to missing nozzle. Poor quality control.." Read more

    "Canister in poor shape, shipped on an envelops so all beat up. No nozzle included." Read more

    "Didn't come with the plastic nozzle to add the sealant so it was not easy to apply but other than that I worked great." Read more

    "This has to have a screw on nozzle that was missing and it’s a metal tube that was beat up really bad" Read more

    Best automative sealant / body and seam sealer you can buy.
    5 Stars
    Best automative sealant / body and seam sealer you can buy.
    #1- You don't need a special 3m cartridge dispenser / caulk gun, a standard run of the mill caulk gun works fine. This stuff is great for sealing new rocker panels, body seams, leaks and glass. It is strong and durable. It is not the easiest to smooth out but if you take your time it's fine. Don't open the cartridge until you need to use it. Once open it doesn't have the longest shelf life. To extend it when you are done be sure to seal the tip and bottom opening. To seal the bottom I used a piece of gorrila tape pressed it on the bottom as shown in the photo. To seal the tip end unscrew it, put shrink wrap on the opening and a screw into the tip. Then reassemble everything. It should last a few months like this.
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    Top reviews from the United States

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    Top reviews from other countries

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    Clarisa perez
    5.0 out of 5 stars Calidad y precio 👌
    Reviewed in Mexico on March 9, 2023
    Style: CartridgeColor: BlackVerified Purchase
    José Ricardo Guzman Perez
    5.0 out of 5 stars Buen producto y servicio
    Reviewed in Mexico on February 1, 2023
    Style: CartridgeColor: WhiteVerified Purchase
    Paolo ciancio
    1.0 out of 5 stars too expensive and hidden cost ....$100 FOR ONE TUBE IS OUTRAGEOUS
    Reviewed in Canada on April 28, 2020
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    Rubén
    1.0 out of 5 stars Cuidado con las ofertas
    Reviewed in Mexico on March 21, 2019
    Style: CartridgeColor: BeigeVerified Purchase