3M Polyurethane Sealant 540 is a versatile, high-performance adhesive designed for demanding industrial, transportation, and construction applications. This moisture-curing sealant forms flexible, weather-resistant bonds that maintain their integrity in extreme environments. With its ability to bond dissimilar materials and withstand temperatures from -40°F to 194°F, 3M Polyurethane Sealant 540 offers exceptional versatility for a wide range of sealing and bonding needs.
Key Features and Benefits
- Versatile Bonding: Adheres to plastics, fiberglass, metals, wood, and more, increasing design flexibility and reducing the need for mechanical fasteners.
- Weather Resistant: Maintains performance in challenging outdoor environments, making it ideal for exterior applications.
- Flexible and Durable: Low Shore A hardness and high tensile strength provide long-lasting, shock-absorbing bonds.
- Paintable: Forms a skin in 60-90 minutes that can be painted once fully cured, allowing for improved aesthetics.
- Easy to Use: Single-component formula simplifies application and reduces production time.
Product Details
3M Polyurethane Sealant 540 comes in a white 400 mL sausage pack, with 12 packs per case. This moisture-curing polyurethane sealant offers good UV resistance and low modulus, ensuring long-term functionality in various service environments.
Applications
Ideal for vertical and horizontal panel bonding, joint sealing, aluminum curtain walls, storefronts, and transportation manufacturing (bus, rail, truck, trailer). It's an excellent choice for replacing mechanical fasteners in many situations, offering a cleaner, more streamlined appearance.
Usage Tips
For best results, ensure surfaces are clean, dry, and free of contaminants before application. Use with a compatible 3M Manual or Pneumatic Applicator for precise dispensing. Allow adequate curing time before exposing the bond to stress or painting.
Why Choose 3M Polyurethane Sealant 540?
When you need a reliable, multi-purpose sealant that can stand up to tough conditions, 3M Polyurethane Sealant 540 delivers. Its combination of strength, flexibility, and weather resistance makes it an ideal choice for professionals in construction, manufacturing, and transportation industries. By choosing this innovative 3M solution, you're investing in a product backed by years of adhesive science and proven performance in demanding applications.
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Product ID: 3M 540 UPC: 00-06806-047196-3, 00068060471963 Stock ID: 62-5484-3533-8, 62548435338, 7100198004
Brand : 3M™
Adhesive Type : Polyurethane
Application : Trim & Molding Attachment, Wall & Door Panel Attachment
Application Method : Hand or pressure caulk
Application Temperature From (Celsius) : 5.0 Degree Celsius
Application Temperature To (Celsius) : 35.0 Degree Celsius
Assembly Type : Sealing
Color Family : White
Full Cure Time : >3 mm/24 hr
Hardness : 40 Shore A
Industries : Construction, General Industrial, Transportation
Maximum Operating Temperature (Celsius) : 90.0 Degree Celsius
Maximum Operating Temperature (Fahrenheit) : 194.0 none
Minimum Operating Temperature (Celsius) : -40.0 Degree Celsius
Minimum Operating Temperature (Fahrenheit) : -40.0 Degree Fahrenheit
Modulus at 100% : 58 Pound-Force Per Square Inch
Physical Form : Medium paste
Product Color : White
Product Form : Sausage
Product Type : Sealant
Regulatory Key : AD-01291
Solids Weight Percent (Approximate) : 90 Percent
Tack-free Time : 1 Hour
Tensile Strength (Imperial) : 250 psi
Units per Case : 12.0
Volume (Metric) : 400.0 mL
Units per Pallet : 1380 Pack
Harmonizing Code : 3214100010
ECCN : EAR99