This 540 polyurethane adhesive sealant from 3M™ is highly flexible and ideal for bonding and sealing materials which have different coefficients of thermal expansion. * Shore A hardness of 40 * Ideal for seam sealing * Great for gap filling * White colour * Supplied in cartridges of 310ml * Manufacturer's part 7000070297 https://elecena.pl/product/30350102/3m-polyurethane-adhesive-sealant-540-white-310ml 2026-06-02 https://elecena.pl/product/30350102/3m-polyurethane-adhesive-sealant-540-white-310ml 2026-07-18