3M™ 540 Polyurethane Adhesive Sealant

3M™ 540 Polyurethane Adhesive Sealant Great for sealing and bonding materials with different coefficients of thermal expansion

  • Very flexible polyurethane product
  • Shore A hardness of 40
  • Ideal for seam sealing
  • Great for gap filling
  • Black/white/grey colour options
  • Cartridge & sachet (sausage) formats