Sikaflex 521 UV - witterungsbeständiger Polymerkleber mit Silanabschluss Dichtung
Material Polyurethane Silicone silicone Polyvinyl chloride. Style Sika Flex-521 UV (old version). Colour Black. IDEAL FOR INTERNAL AND EXTERNAL USE – Isocyanate and solvent-free black adhesive and sealant ideal for multiple applications.