3M™ Polyurethane Sealant 540(pc)

3M Polyurethane Sealant 540, White, 600 mL Sausage Pack is a high-performance, one-component polyurethane sealant designed for durable sealing and bonding in industrial, construction, and automotive applications. Supplied in a 600 mL sausage pack, it is ideal for high-volume professional use, offering efficient application with reduced packaging waste.

The 3M 540 White polyurethane sealant cures by moisture to form a strong, elastic, and weather-resistant seal. It adheres excellently to metals, painted surfaces, plastics, concrete, and other common construction substrates. Its non-sag formulation allows clean application on both vertical and horizontal joints.

3M™ Polyurethane Sealant 540 White is commonly used for expansion joints, panel joints, body seam sealing, façade joints, and general industrial sealing, where long-term flexibility, clean white finish, and reliable adhesion are required.