{"product_id":"sika-sikaflex-521uv-uv-resistant-lm-polyurethane-sealant-10-3oz-cartridge-white","title":"Sika Sikaflex 521UV UV Resistant LM Polyurethane Sealant - 10.3oz Cartridge - White","description":"\u003cp\u003e\u003cstrong\u003eSikaflex 521UV UV Resistant LM Polyurethane Sealant - 10.3oz(300ml) Cartridge - White\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSikaflex-521 UV is a multi-purpose, UV resistant, non-sag, elastic, one-part silane-terminated polymer sealant, which cures on exposure to atmospheric moisture to form a durable elastomer. Sikaflex-521 UV is solvent and isocyanate free.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eUses:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSikaflex-521 UV bonds well to a wide variety of substrates without the need for special pre-treatment and is suitable for making permanent, high strength elastic seals. Compatible substrate materials include wood, metals, (particularly aluminum including anodized components), sheet steels (including phosphated, chromated and zinc-plated components), metal primers and paint coatings (two-part systems), ceramic materials, plastics and glass.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCharacteristics  Advantages:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVery low VOC\/solvent free\u003c\/li\u003e\n\u003cli\u003eSilicone and PVC-free\u003c\/li\u003e\n\u003cli\u003eIsocyanate-free\u003c\/li\u003e\n\u003cli\u003eHigh electrical resistance\u003c\/li\u003e\n\u003cli\u003eResistant to aging and weathering\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/productimageserver.com\/prop65\/6pt.png\" alt=\"Warning\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to \u003ca href=\"http:\/\/P65Warnings.ca.gov\"\u003eP65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Sika Sikaflex 521UV is a versatile, high-performance polyurethane sealant designed for demanding applications requiring UV resistance and elastic flexibility. This one-part, silane-terminated polymer cures upon exposure to atmospheric moisture, forming a durable elastomer that remains flexible over time. Its solvent-free and isocyanate-free formulation ensures a safer application process while maintaining excellent adhesion to a wide range of substrates including wood, metals such as aluminum (including anodized), sheet steels (phosphated, chromated, and zinc-plated), ceramic materials, plastics, and glass. This sealant is suitable for creating permanent, high-strength elastic seals in various construction, transportation, and industrial applications, providing a reliable barrier against environmental elements. The Sikaflex 521UV is designed to resist aging and weathering, making it ideal for exterior use where long-term performance is essential. Its high electrical resistance and low VOC content contribute to a safer, more environmentally friendly product, suitable for numerous bonding and sealing tasks without the need for special pre-treatments or primers. The product's compatibility with multiple substrates simplifies the sealing process, reducing labor and material costs while ensuring a high-quality finish. With a 10.3 oz cartridge, Sikaflex 521UV offers an efficient solution for both small and large jobs, delivering consistent, professional results with minimal effort. Ideal for applications where UV stability and elasticity are critical, this sealant ensures long-lasting performance in demanding environments. Note that this product contains chemicals known to the State of California to cause reproductive harm, and proper safety precautions should be followed during application. For more details, visit P65Warnings.ca.gov.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eUV resistant, suitable for exterior applications\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eElastic, durable elastomer after curing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSolvent and isocyanate free, environmentally friendly\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh adhesion to a variety of substrates without pre-treatment\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eResistant to aging, weathering, and high electrical resistance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLow VOC content, safe for indoor and outdoor use\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with wood, metals, ceramics, plastics, and glass\u003c\/li\u003e\u003c\/ul\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":44529720131626,"sku":"67330","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/67330XL.jpg?v=1783081380","url":"https:\/\/atticusgoods.com\/products\/sika-sikaflex-521uv-uv-resistant-lm-polyurethane-sealant-10-3oz-cartridge-white","provider":"Atticus Goods","version":"1.0","type":"link"}