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Description
The 3M7000000942 3M 540 Polyurethane Adhesive Sealant is a high-performance gray sealant designed for demanding automotive and industrial applications requiring strong adhesion and long-lasting flexibility. This moisture-curing 3M polyurethane sealant provides excellent bonding and sealing on metal and other industrial substrates, helping absorb vibration, movement, and mechanical stress without cracking or shrinking. Commonly used as an automotive polyurethane adhesive, it offers reliable performance in environments where durability, weather resistance, and professional finish are essential, making it a preferred alternative to standard silicone sealant gray products.
Product Features and Benefits
Polyurethane Adhesive Performance
Combines sealing and bonding strength in one polyurethane sealant for reliable structural applications.
Durable Gray Finish
The professional gray sealant color blends well with automotive and industrial surfaces.
Flexibility After Cure
Maintains elasticity to handle vibration and movement without loss of adhesion.
Automotive & Industrial Use
Ideal as an automotive polyurethane sealant adhesive for seams, panels, and joints.
Moisture-Curing Formula
Cures with ambient moisture for strong, long-lasting bonds in varied conditions.
Product Specifications
| Manufacturer Part Number | 7000000942 |
| Adhesive Type | Polyurethane |
| Assembly Type | Sealing |
| Color Family | Gray |
| Container Size (Inch) | 10.14 fl oz (US) |
| Container Size (mm) | 310.0 ml |
| Full Cure Time | >3 mm/24 hr |
| Hardness | 40 Shore A |
| Modulus at 100% | 58 Pound-Force Per Square Inch |
| Product Color | Gray |
| Product Form | Cartridge |
| Product Number | 540 |
| Solids Weight Percent (Approximate) | 90 % |
| Substrate | Bare Metal |
| Substrate 1 | Polycarbonate |
| Substrate 2 | Plain Glass |
| Surface Type | Metal |
| Tack-free Time | 1 hr |
| Tensile Strength (Inch) | 250 psi |
Frequently Asked Questions
What is polyurethane sealant?
Polyurethane sealant is a flexible, high-strength material used for sealing and bonding applications where durability and adhesion are required.
Is polyurethane a sealant or an adhesive?
Yes, polyurethane products like 3M 540 function as both a sealant and an adhesive.
What is polyurethane sealant used for?
It is commonly used in automotive, industrial, and construction applications for sealing joints, bonding panels, and filling gaps.
Is 3M polyurethane sealant 540 gray suitable for automotive use?
Yes, 3M polyurethane sealant 540 gray is specifically designed for automotive and transportation applications.
How is polyurethane sealant different from silicone sealant gray?
Polyurethane sealants typically offer stronger adhesion and paintability compared to silicone sealant gray, making them better for structural bonding.
Warning:
This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov
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