3M™ Polyurethane Adhesive Sealant 540

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Flexible product for sealing applications

Low modulus product that is great for sealing between different materials

Paintable when dry

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Frequently viewed resources
PDF (1) Copy 26Safety Data Sheet (PDF)
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Details

Highlights
  • Flexible product for sealing applications
  • Low modulus product that is great for sealing between different materials
  • Paintable when dry
  • 45-60 Minute skin time
  • One component, moisture-curing sealant simplifies production

3M™ Polyurethane Adhesive Sealant 540 is a one component, polyurethane designed as a flexible sealant for transportation, metal working and many other applications.

Use 3M™ Polyurethane Adhesive Sealant 540 to seal vertical and horizontal expansion joints, aluminium curtain walls and storefronts, doors and windows, submerged applications and much more. Our high performance, one component, moisture curing sealant forms permanently elastic bonds, and is non-staining. It’s fast curing, and no mixing or priming is required for most applications. Tack-free in 60 minutes, the sealant is then paintable and offers excellent weather resistance. The sealant is available in a range of colours, including white, tan, bronze, grey and black. Additional colours are available for larger orders.

Suggested applications
  • Seal a range of joints, doors and windows, plus more
  • Vertical and horizontal panel bonding and joint sealing
  • Aluminium curtain walls and storefronts
  • Transportation manufacturing (bus, rail, truck, trailer)

Typical Properties

Adhesive Type

Urethane

Brands

3M™

Full Cure Time

>3 mm/24 hr

Hardness

40 Shore A

Industries

Construction, General Industry, Transportation

Modulus at 100%

58 Pound-Force Per Square Inch

Product Colour

Black, White, Grey

Smallest Saleable Unit

Each

Solids Weight Percent (Approximate)

90 %

Surface Type

Painted Surface

Tack-free Time

1 hr

Tensile Strength (Imperial)

250 psi

Resources

Safety Data Sheets

Document Number: MSDS_0894329_GB_EN

(PDF)

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