3M
3M 740 UV Polymer Adhesive Sealant 20 oz Sausage Pack Gray
UV-resistant polymer adhesive sealant in a 20 oz sausage pack, paintable and flexible from -40 to 194 °F with 300 % elongation
- UV-resistant polymer protects bonds from sun degradation
- Flexible 300% elongation absorbs joint movement without cracking
- Paintable finish blends seamlessly with surrounding surfaces
- Low 22 g/L VOC content meets strict air-quality standards
- Wide -40 °F to 194 °F service range handles extreme temperatures
Multipurpose Polymer Adhesive Sealant
3M 740 is a gray polymer adhesive sealant supplied in a 20 oz sausage pack. It is designed for multipurpose bonding and sealing on fiberglass, metal, plastic, and wood surfaces. The formula provides ultraviolet resistance and remains flexible after curing. It meets ASTM C661 and ASTM D412 standards.
Suitable for paintable interior and exterior joints
This product suits professionals and DIY users who need a paintable, flexible sealant that withstands temperatures from -40 to 194 degrees F. Buyers who require a cartridge-style container or a faster full cure time than one day should look at alternative packaging or chemistries.
Check surface compatibility and cure schedule
Verify that the substrate is fiberglass, metal, plastic, or wood before application. Ensure the working environment allows for a one-hour working time and a full cure period of one day. Confirm the 22 g/L VOC content complies with local regulations for the intended use.
Highlights
- UV-resistant polymer protects bonds from sun degradation
- Flexible 300% elongation absorbs joint movement without cracking
- Paintable finish blends seamlessly with surrounding surfaces
- Low 22 g/L VOC content meets strict air-quality standards
- Wide -40 °F to 194 °F service range handles extreme temperatures
Specifications
| Brand | 3M |
|---|
Questions about this item
Does this 20 oz sausage pack require a specific applicator gun?
Yes, a standard sausage-pack applicator gun that accepts 20 oz packs is needed to dispense the material.
Will the sealant bond to painted metal and fiberglass panels I already have on the vehicle?
The product is rated for use on metal, fiberglass, plastic and wood, so it will adhere to those prepared surfaces.
How can I confirm the bead has fully cured after installation?
Full cure occurs in 1 day at room temperature; the bead should be firm, paintable and remain flexible across the rated temperature range.
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