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Item #:
51308752
3M Urethane Seam Sealer, 08365, Beige 310mL Cartridge
87% of respondents would recommend this to a friend
Item #:
51308752
NAD 833
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
21%
In stock
Imported from USA store
QTY:
Only 13 items left in stock.
Order now and get it around Friday, October 02
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3M Urethane Seam Sealer offers superior performance to solvent-based sealers, providing tight, long-lasting seals that prevent water, dust, and air intrusion.
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What Stands Out
Permanently Flexible
This sealer maintains flexibility over time, ensuring durable bonds that withstand movement and temperature changes, making it ideal for automotive and construction applications.
High Solids Content
The high solids formulation provides excellent adhesion and resistance to wear, reducing the need for frequent reapplications compared to lower-quality competitors.
Pack Efficiency
Sold in a convenient pack of two, this product offers enhanced value for professional users and DIY enthusiasts, ensuring you have enough supply for larger projects.
Product Details
| Brand Name | 3M |
| UPC | 051135083659 |
| Unit Count | 10.5 Fluid Ounces |
| Item Highlight | Adheres to Bare Metal, Primed Metal, Painted Surfaces, Atutomoitive Sealing |
| Global Trade Identification Number | 00051135083659 |
| Number of Items | 1 |
| Included Components | Tools and Accessories |
| Item Type Name | Paint & Masking Products |
| Manufacturer | 3M |
| Model | 08365 |
| Part Number | 08365 |
| Item Weight | 14.07 ounces (398.88 grams) |
| Item Dimensions | 9.72 x 8.19 x 6.3 inches (24.7 x 20.8 x 16 cm) |
| Water Resistance Level | Water Resistant |
| Item Form | Paste |
| Compatible Material | Metal |
| Style Name | Cartridge |
| Color | Beige |
| Surface Recommendation | Metal |
| Material Type | solid |
| Material | solid |
| Brand | 3M |
| Style | Cartridge |
| Item dimensions L x W x H | 9.72 x 8.19 x 6.3 inches (24.7 x 20.8 x 16 cm) |
What's in the box
Tools and Accessories
Who Should Buy?
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Automotive Repair Techs
Ideal for automotive technicians requiring durable, flexible sealing solutions for vehicle bodywork and repairs.
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DIY Enthusiasts
Great for home improvement projects needing a strong, permanent seal that withstands various weather conditions.
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Construction Professionals
Useful for contractors looking for high-quality sealants for windows, doors, and exterior caulking applications.
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Indoor Use Only
Not suitable for indoor applications that require low-odor or strict indoor air quality standards.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the key features of 3M Urethane Seam Sealer, 08361?
Answer: The 3M Urethane Seam Sealer, 08361, is designed with high solids content, providing a strong and durable bond. Its permanently flexible nature allows it to accommodate movement in joints and seams, making it ideal for various automotive and manufacturing applications. Additionally, it comes in a gray color that blends well with many surfaces, offering aesthetic advantages. This sealer is particularly useful for sealing gaps in vehicle body seams, ensuring long-lasting protection against moisture and corrosion. -
Question:
How can I apply the 3M Urethane Seam Sealer effectively?
Answer: Applying 3M Urethane Seam Sealer effectively involves preparing the surface by cleaning it thoroughly to remove any dirt, grease, or old sealant. Use a caulking gun to dispense the sealer evenly along the seam or joint. It's important to apply it in a continuous bead to prevent weak spots. The sealer can be smoothened with a tool or your finger for a neat finish. This product is ideal for automotive repairs where flexibility and durability are essential, particularly in areas exposed to varying temperatures and moisture. -
Question:
Is the 3M Urethane Seam Sealer suitable for external use?
Answer: Yes, the 3M Urethane Seam Sealer is suitable for external use. Its high solids formulation and flexibility make it perfect for outdoor applications, as it effectively seals gaps against weather elements. It's commonly used in automotive manufacturing and repairs to seal joints and seams against rain and humidity. For example, it is ideal for sealing around windows, doors, and other areas where water intrusion might occur, ensuring the longevity and integrity of the structure or vehicle. -
Question:
What types of surfaces can 3M Urethane Seam Sealer bond to?
Answer: 3M Urethane Seam Sealer can bond to a variety of surfaces, including metal, plastics, and painted finishes. Its versatility makes it a go-to choice for automotive applications, as it adheres strongly to body panels and frame materials. In addition to vehicles, it can also be used on construction materials like fiberglass and concrete, expanding its usability for a range of repair or assembly tasks. This adaptability is especially important in projects where multiple materials are involved. -
Question:
How does the flexibility of 3M Urethane Seam Sealer benefit my projects?
Answer: The flexibility of 3M Urethane Seam Sealer is crucial for maintaining the integrity of the seal over time. As temperatures fluctuate, materials may expand and contract, which can lead to cracking or breakdown in rigid sealants. This sealer's permanently flexible nature allows it to accommodate these movements, ensuring a long-lasting, watertight seal. This is particularly beneficial in automotive applications where flexibility is crucial to endure constant vibrations and environmental changes. -
Question:
Can I paint over 3M Urethane Seam Sealer?
Answer: Yes, 3M Urethane Seam Sealer can be painted over once it has cured. It's important to allow sufficient curing time before applying paint to ensure proper adhesion and finish. Keep in mind that certain types of paints may require a primer over the sealer for the best results. This feature is highly beneficial for automotive projects where aesthetics matter, allowing a seamless finish after sealing. -
Question:
What is the drying time of 3M Urethane Seam Sealer?
Answer: The drying time of 3M Urethane Seam Sealer varies based on environmental conditions, but it generally remains tack-free within a few hours. Full curing may take up to several days, depending on temperature and humidity levels. It's advisable to avoid exposing the seal to significant stress or moisture during this period. Properly timing your project can enhance the adhesion and performance of the seal, especially when used in car restoration or bodywork applications. -
Question:
How do I store my 3M Urethane Seam Sealer?
Answer: To store 3M Urethane Seam Sealer properly, keep it in a cool, dry place away from direct sunlight and heat sources. Ensure the foil pack is sealed tightly after each use to prevent exposure to air, which could cause the product to prematurely harden. This storage method will help maintain the product's quality, enabling you to use it effectively for future projects, whether in automotive repair or other sealing applications. -
Question:
Can the 3M Urethane Seam Sealer be used for home repairs?
Answer: Yes, the 3M Urethane Seam Sealer is versatile enough for home repairs. Its strong adhesion and flexibility make it suitable for weatherproofing and sealing edges in areas such as roofs, windows, and doors. This product is especially useful in situations where sealing joints or seams is necessary to prevent moisture intrusion, thus keeping your home safe from water damage and improving energy efficiency. -
Question:
Where can I buy 3M Urethane Seam Sealer, 08361 in Namibia?
Answer: You can purchase 3M Urethane Seam Sealer, 08361 from Ubuy in Namibia. Ubuy offers a reliable platform for ordering this product, ensuring that you can get the high-quality sealing solution you need right at your doorstep. Ubuy provides a convenient shopping experience, allowing you to find this specific product easily and benefiting from any available promotions or offers.
3M Sealers Editorial Review
3M Urethane Seam Sealer, 08365, Beige 310mL Cartridge is a highly effective solution for automotive repairs. Its durable, high solids formula ensures a strong hold even in challenging weather conditions, making it a game-changer for both DIY enthusiasts and professionals. Users appreciate its convenient 310 mL cartridge size and permanent flexibility that prevents cracking or peeling over time. Many reviewers highlight its adhesive strength and ease of application, although some have noted that it may require careful handling due to its strong bonding properties. This sealer closely resembles factory sealants, making it ideal for discreet automotive applications, enhancing its appeal for restoring vehicles without compromising aesthetics.
Customer Reviews & Ratings
1446 customers ratings
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5 Star
78%
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4 Star
10%
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3 Star
4%
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2 Star
1%
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1 Star
7%
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Pros
- High solids formula for a sturdy hold
- Permanently flexible to prevent cracking
- Convenient 310 mL cartridge size
- Ideal for discreet automotive applications
- Strong adhesive properties for reliable sealing
Cons
- Nozzle may not always be included with the cartridge
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
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NAD 833
Order now and get it around Friday, October 02
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 13 items left in stock.
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- High-solids seam sealer for automotive and RV use.
- Adheres to bare metal, primed metal, and painted surfaces.
- Tack-free and paintable after 30-45 minutes.
- Permanently flexible, doesn't shrink or crack.
- Excellent for filling large gaps and voids.
- Available in rigid or flexible pack options.
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