Details: BOSS® PU 25 is a one-component moisture-curing, polyurethane sealant. It cures into a flexible, durable, and weather-resistant elastomeric sealant that has very good adhesion to most construction and industrial materials. It can accommodate cyclic joint movement of 50% (+/-25%) of the joint width.
Can be painted with all water-based paints and other systems.
Excellent primer-less adhesion on many materials.
Excellent resistance to many chemicals.
Good weather and UV resistance.
High viscosity with permanent elasticity after curing.
Ideally suited for application in warm and humid climates.
Can be used as a seam sealer for traditional welding or spot welding.
Bonding of panels, ACP, roofing sheets, and so on.
Supple bonding and sealing in the automotive industry, especially on surfaces that vibrate – bus-bodies, caravans, and containers