BOSS PU 25 Polyurethane Sealant
BOSS PU 25 Polyurethane Sealant is a premium, one-component, elastomeric sealant that offers exceptional flexibility, durability, and adhesion. Engineered for a wide range of sealing and bonding applications, this high-performance polyurethane sealant is ideal for construction, automotive, and industrial use where a strong, long-lasting seal is crucial.
BOSS PU 25 is designed to adhere to various substrates, including concrete, wood, metal, glass, and most plastics, providing a versatile solution for sealing joints, gaps, and seams. Its superior bonding capabilities make it perfect for applications that require movement, such as expansion joints in buildings, glazing, and sealing around windows and doors. The sealant's flexibility allows it to accommodate thermal expansion and contraction without cracking or losing adhesion, ensuring a reliable seal over time.
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.
Features:
- 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.