400ML BLK POLYURETHANE SEALANT 540
Scotch-Seal™ Polyurethane Sealant 540
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540 Scotch-Seal Polyurethane Adhesive/Sealant

Available in Gray • Bonds Can Be Disassembled
By: 3M

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Overview
Scotch-Seal™ 540 Polyurethane Sealant is a component, moisture curing product which form permanently elastic bonds.
It bonds to a wide variety of materials including plastics, fiberglass, SMC, aluminum, steel, coated metals, and wood.

Similar to 560 Polyurethane Adhesive Sealant, but more flexible and with a lower tensile strength.
Unlike stronger structural adhesives, 540 adhesive sealant is removable - making it ideal for use in applications requiring periodic maintenance, re-bedding, relocation, or future modification.

Very high flexibility (low Shore A Hardness) makes 540 good for bonding materials with different coefficients of thermal expansion.

• Tack-free: 90 min
• Tensile strength: 300 psi
• Shore A hardness: 40
• Elongation: 800%
• Permanently elastic
• Fast curing
• Paintable
 
 
 
 
 
 
 

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