3M 41594 540 Series 1-Component Adhesive Sealant (10.1 oz.)

3M polyurethane sealant 540 is an all-purpose, single-component, moisture curing, gap filling polyurethane that creates permanently elastic seals and bonds in a wide variety of service environments. 3M polyurethane sealant 540 is a single-component, moisture curing, polyurethane sealant used to bond a wide variety of materials, including plastics, fiberglass reinforced plastic (FRP), sheet molding compound (SMC), aluminum, steel,-coated metal and wood. It exhibits high tensile strength, good UV-resistance, low Shore A hardness and low modulus to maintain its functionality in a wide range of extreme service environments. Available in cartridge, sausage pack, pail and drum volumes to meet your application needs.

Features:

• Multi-purpose bonding and long-lasting seals
• Permanently elastic to allow joint movement
• 60 to 90 skin time, paintable, once skin forms
• Good UV-resistance
• One-component, moisture curing sealant simplifies production
• Bonds dissimilar materials for increased design flexibility
• Gap filling capabilities