Sealant Sikaflex-521UV

Weather resistant 1-component SilanTerminated Polymer (STP) sealant which hardens when exposed to humidity. This all-rounder product is suitable for interior and exterior fog applications. Good adhesion to a lot of substrate and suitable for elastic joining and gluing. Suitable surfaces are wood, metals, metal primers and varnishes (2-K systems), ceramic materials and plastics. Consult the manufacturer before using transparent materials sensitive to voltage cracking.