- 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/no odor formula remains flexible and offers superior results to solvent-based sealers
- Paintable after 30 to 45 min
- Thick consistency is able to fill large voids
- Can be smoothed to a featheredge or brushed
- Recommended for use with 3M™ single-component cartridge applicator gun PN08990 or 3M™ professional caulking gun PN08993
Our 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 to 45 min, this urethane formula is permanently flexible and offers superior performance to solvent-based sealers. 3M™ urethane seam sealer is an excellent choice when sealing interior or exterior seams to help prevent the intrusion of water, dust and air, aiding in providing corrosion-resistance at these locations. Choose this seam sealer for high quality sealing of seams and joints on primed metal or painted surfaces and even on bare metal. It applies easily and is formulated for long-lasting support to the seam without shrinking, cracking or causing unpleasant odors. With its thick consistency, our 3M™ urethane seam sealer is an excellent gap sealer 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.
More Information Part No. 8361 Product Line MMM MFR Model 8361 Standard/Approvals California Pro65 Warning: Cancer and Reproductive Harm Application For general-purpose automotive seams, including door skins, rocker panels, rear body panels, trunk seams, floor pans and more Manufacturer 3M Products Trade Mark Ultrapro™ Alternate Part Number-1 60980034726 UPC 051131168312 Brand 3M™ Maximum Sale Quantity 6 Maximum Sale Day 7 Part Status A Applicable Materials Metal Composition 15 to 40% Urethane Polymer, 10 to 30% PVC, 10 to 30% Sulfonic Acids, C10-18-Alkane, pH Esters, 3 to 7% Xylene, Titanium Dioxide, 1 to 5% Calcium Oxide, 1 to 5% Ethylbenzene, 1 to 5% Hydrotreated Light Petroleum Distillates, 1 to 5% Titanium Dioxide, 0.1 to 1% P,P’-Methylenebis(Phenyl Isocyanate) Application Time 5 to 10 min Paintable (Y/N) Yes Specific Gravity 1.17 Base Type Urethane Component 1K Odor/Scent Solvent Color Gray Container Size (mL) 310 Flash Point 92 deg F Container Size (oz) 10.5 Container Type Flex-Pack Form Paste Temperature Rating (deg F) >200 deg C Autoignition, -30 to 200 Type 1-Part, Economical Curing Time 30 min
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