Sikaflex®-521 UV is a multi-purpose, one component sealant based on a polyurethane-hybrid compound.
Features and Benefits
• Resistant to ageing and weathering
• Non-sagging properties
• Cures on exposure to atmospheric humidity to form a durable elastomer
• Free from solvent and isocyanate
• Easy application with any standard cartridge gun
Typical Applications
• Caravans
• Motor homes
• Boats
• Solar panels
• Mounting wood
• Metal fixing