{"product_id":"sikaflex-521-uv-white-300ml-marine-caravan-sealant-adhesive","title":"SIKAFLEX 521 UV White 300ml Marine \u0026 Caravan Sealant Adhesive","description":"\u003ch3\u003eSIKAFLEX 521 UV White 300ml Marine \u0026amp; Caravan Sealant Adhesive\u003c\/h3\u003e\n\n\u003cp\u003eSIKAFLEX 521 UV is a premium one-component STP (Silane Terminated Polymer) sealant and adhesive designed for exterior sealing and bonding applications exposed to harsh weather conditions. Engineered with excellent UV and weather resistance, it is widely used throughout the marine, caravan, RV, transport and construction industries where long-term durability is essential.\u003c\/p\u003e\n\n\u003cp\u003eUnlike traditional polyurethane sealants, Sikaflex 521 UV provides outstanding resistance to sunlight, ageing and environmental exposure while maintaining flexibility and adhesion across a wide range of substrates. It is suitable for sealing joints, bonding components and weatherproofing applications where appearance and longevity are important.\u003c\/p\u003e\n\n\u003cp\u003eThe non-corrosive formulation adheres well to many common materials including metals, plastics, painted surfaces, timber and composites, making it a versatile solution for marine fit-outs, caravan manufacturing, vehicle body construction and general industrial assembly.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent UV Resistance:\u003c\/strong\u003e Designed for long-term exterior exposure without premature degradation.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWeather Resistant:\u003c\/strong\u003e Withstands harsh environmental conditions, moisture and temperature fluctuations.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSealant And Adhesive In One:\u003c\/strong\u003e Suitable for both bonding and sealing applications.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHighly Flexible:\u003c\/strong\u003e Accommodates vibration, movement and thermal expansion.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWide Substrate Compatibility:\u003c\/strong\u003e Bonds to metals, plastics, composites, timber and painted surfaces.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eNon-Corrosive Formula:\u003c\/strong\u003e Suitable for sensitive materials and modern construction applications.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMarine And Caravan Suitable:\u003c\/strong\u003e Widely used throughout marine, RV and transport industries.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eProfessional Grade Performance:\u003c\/strong\u003e Trusted by manufacturers, repairers and installers worldwide.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eADDITIONAL INFORMATION\u003c\/h4\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SIKA\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 54864\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Sikaflex 521 UV\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e STP Sealant And Adhesive\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e White\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 300ml Cartridge\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Sealing and bonding for exterior exposed applications.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSuitable Surfaces:\u003c\/strong\u003e Metals, painted surfaces, plastics, composites, timber and construction materials.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eIndustry Use:\u003c\/strong\u003e Marine, caravan, RV, transport, construction and industrial assembly.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eUV Resistance:\u003c\/strong\u003e Excellent long-term UV and weather resistance.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMovement Capability:\u003c\/strong\u003e Flexible cured seal suitable for vibration and movement.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003ePaintable:\u003c\/strong\u003e Yes, subject to coating compatibility testing.\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eProfessional Use:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eDIY Suitable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":49788833619,"sku":"54864","price":33.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2275\/8915\/products\/521uv.png?v=1668129731","url":"https:\/\/wholesalepaint.com.au\/products\/sikaflex-521-uv-white-300ml-marine-caravan-sealant-adhesive","provider":"Wholesale Paint Group","version":"1.0","type":"link"}