{"id":49085,"date":"2026-08-04T10:48:42","date_gmt":"2026-08-04T08:48:42","guid":{"rendered":"https:\/\/veneilytarvikekauppa.fi\/shop\/sikaflex-521-uv-black-300-ml\/"},"modified":"2026-08-17T08:27:12","modified_gmt":"2026-08-17T06:27:12","slug":"sikaflex-521-uv-black-300-ml","status":"publish","type":"product","link":"https:\/\/veneilytarvikekauppa.fi\/en\/shop\/sikaflex-521-uv-black-300-ml\/","title":{"rendered":"SIKAFLEX 521 UV, BLACK, 300 ml"},"content":{"rendered":"<h3>Overview<\/h3>\n<h4>Product Benefits<\/h4>\n<ul>\n<li>Resistant to ageing and weathering<\/li>\n<li>Bonds to many substrates without special pre-treatment<\/li>\n<li>Isocyanate- and solvent-free<\/li>\n<li>Can be painted<\/li>\n<li>Can be sanded<\/li>\n<li>Low odour<\/li>\n<\/ul>\n<h4>Areas of Application<\/h4>\n<p>Suitable for elastic sealing and bonding on timber, metals, metal primers, 2-component paint coatings, ceramics and plastics. It can be used for interior and exterior sealing. Verify adhesion and compatibility on actual substrates, especially materials prone to stress cracking.<\/p>\n<h3>Application<\/h3>\n<h4>Surface preparation<\/h4>\n<p>Surfaces must be clean, dry and free from grease, oil and dust. Choose substrate-specific pre-treatment where required and confirm by testing.<\/p>\n<h4>Application<\/h4>\n<p>Process between 5 \u00b0C and 40 \u00b0C, preferably at 15\u201325 \u00b0C. Apply with hand, pneumatic or electric piston guns, or suitable pump equipment.<\/p>\n<h4>Tooling and finishing<\/h4>\n<p>Complete tooling within the skin time. Sika\u00ae Tooling Agent N is recommended; test other finishing agents before use.<\/p>\n<p><strong>Product page:<\/strong> <a href=\"https:\/\/industry.sika.com\/en\/home\/renewable-energies\/wind-energy\/blade-manufacturing\/weather-resistantsealing\/sikaflex-521-uv.html\" target=\"_blank\" rel=\"noopener\">Sikaflex\u00ae-521 UV<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Weathering-resistant STP adhesive sealant with a wide adhesion range<\/strong><\/p>\n<p><strong>Sikaflex\u00ae-521 UV<\/strong><br \/>A 1-component Silane Terminated Polymer adhesive sealant for interior and exterior applications, with strong adhesion to metals, plastics, FRP and wood and usually little pre-treatment.<\/p>\n<ul>\n<li>Resistant to ageing and weathering<\/li>\n<li>Bonds to many substrates without special pre-treatment<\/li>\n<li>Isocyanate- and solvent-free<\/li>\n<\/ul>\n","protected":false},"featured_media":49223,"template":"","meta":{"_acf_changed":false,"slim_seo":{"title":"SIKAFLEX 521 UV, BLACK, 300 ml - veneilij&auml;n verkkokauppa-Venetarvikkeet","description":"Weathering-resistant STP adhesive sealant with a wide adhesion range Sikaflex\u00ae-521 UV A 1-component Silane Terminated Polymer adhesive sealant for interior and"}},"product_brand":[6972],"product_cat":[7437,7438],"product_tag":[6974],"giftcard-category":[],"class_list":["post-49085","product","type-product","status-publish","has-post-thumbnail","product_brand-sika","product_cat-boat-care-and-maintenance-boat-care-and-maintenance","product_cat-sealing-adhesives-tapes-insulating","product_tag-sikaflex-521-black","pa_brand-sika","pa_unit-pcs","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/product\/49085","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/media\/49223"}],"wp:attachment":[{"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/media?parent=49085"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/product_brand?post=49085"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/product_cat?post=49085"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/product_tag?post=49085"},{"taxonomy":"giftcard-category","embeddable":true,"href":"https:\/\/veneilytarvikekauppa.fi\/en\/wp-json\/wp\/v2\/giftcard-category?post=49085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}