Sikaflex®-521 UV is a one-component, thixotropic, paste-like polyurethane adhesive that cures by reaction with atmospheric moisture to form a strong elastomer.Colour of adhesive paste: grey.The cartridge contains 300 ml.Advantages• Single-component• Elastic• Overpaintable• Excellent filling properties• Able to withstand high dynamic stress• Dampens vibrations• Non-corrosive• Electrically non-conductive• Adheres well to a wide range of substratesFields of applicationIt is suitable for structural joints capable of supporting dynamic stresses. Suitable substrates are timber, metals, especially aluminium (including anodised components), steel sheets (including phosphated, chromated or galvanised sheets), metal primers and paint systems (2-C systems), ceramic and plastic materials. Ask the manufacturer for information before use on stress-cracking plastics.
