Description Sika 521 UV 300ml – A Hybrid Sealant with Excellent UV Resistance Sikaflex-521 UV is a one-component PUR-Hybrid sealant based on the Sika Silane Termi-nated Polymer (STP) technology. The product cures on exposure to atmospheric humidity to form a durable elastomer. Product Benefits: Ageing and weathering resistant Bonds well to a wide variety of substrates without the need for special pre-treatment Elastic Can be overpainted Can be sanded Low odour Non-corrosive High electrical resistance Isocyanate and solvent-free Silicone and PVC free Areas of Application Sikaflex-521 UV adheres well to a wide variety of substrates and is suitable for elastic sealing and bonding. Suitable substrate materials include timber, metals, metal primers and paint coatings (2-part systems), ceramic materials and plastics. Avaliable Colours: Grey Black White
