{"product_id":"oxicem-r-negro-25l","title":"Oxicem® Black 25L","description":"\u003cp\u003eOxicem® Negro 25 L is a \u003cstrong\u003ewater-based mineral oxidizing agent\u003c\/strong\u003e that chemically acts on cementitious surfaces to create a decorative black patina finish. Its aged, semi-transparent, and deep effect intensifies the texture of the substrate without completely covering it, generating an industrial and timeless look. It is designed for application on microcement, polished concrete, or mortars both indoors and outdoors. The treated surface can be protected with varnishes such as those from the \u003ca href=\"https:\/\/www.topciment.shop\/search?q=Topsealer%C2%AE\"\u003eTopsealer®\u003c\/a\u003e range to increase its resistance and durability.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eMain Features\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMineral solution in \u003cstrong\u003eaqueous base\u003c\/strong\u003e, solvent-free.\u003c\/li\u003e\n\u003cli\u003eGenerates a natural and irregular \u003cstrong\u003eblack oxide effect\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eSemi-transparent decorative finish that respects the substrate's texture.\u003c\/li\u003e\n\u003cli\u003eApplicable with brush, roller, spray gun, trowel, or sponge.\u003c\/li\u003e\n\u003cli\u003eHigh stability against light and aging.\u003c\/li\u003e\n\u003cli\u003eCompatible with absorbent surfaces such as microcement, concrete, and mortar.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eHow to use\u003c\/strong\u003e\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eEnsure the substrate is clean, dry, and free of waxes, varnishes, or sealers.\u003c\/li\u003e\n\u003cli\u003eProtect all nearby surfaces that should not be treated (metal, glass, wood).\u003c\/li\u003e\n\u003cli\u003eShake the container well before use.\u003c\/li\u003e\n\u003cli\u003eApply a uniform layer with the desired tool, avoiding accumulations.\u003c\/li\u003e\n\u003cli\u003eAllow to dry for 1 to 2 hours.\u003c\/li\u003e\n\u003cli\u003eIf greater intensity is desired, apply a second coat once the previous one is dry.\u003c\/li\u003e\n\u003cli\u003eWash with clean water and neutralize with baking soda or ammonia.\u003c\/li\u003e\n\u003cli\u003eOnce completely dry, protect the surface with an appropriate varnish.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eCoverage\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eApproximately \u003cstrong\u003e10 m²\/L per coat\u003c\/strong\u003e, depending on the porosity of the substrate and the application method.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAppearance\u003c\/strong\u003e: liquid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e: semi-transparent black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDensity\u003c\/strong\u003e: 1.10 ± 0.1 g\/cm³\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamic viscosity\u003c\/strong\u003e: 15 ± 10 mPa·s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH\u003c\/strong\u003e: between 2 and 8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTouch dry\u003c\/strong\u003e: 1–2 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended application\u003c\/strong\u003e: cementitious surfaces indoors or outdoors\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eStorage conditions\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eStore the product in its original, tightly closed container, in a dry, cool, and ventilated place, between 5 °C and 30 °C. Protect from frost and direct sunlight. Estimated shelf life: 12 months from the manufacturing date.\u003c\/p\u003e","brand":"Topciment","offers":[{"title":"Default Title","offer_id":57781684633981,"sku":"TT11520","price":278.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/8687\/5005\/files\/Oxicem-concrete-25L_68c712f1-726b-4166-b643-f7acca2842a9.jpg?v=1776428008","url":"https:\/\/topciment.shop\/en\/products\/oxicem-r-negro-25l","provider":"topciment.shop","version":"1.0","type":"link"}