{"product_id":"sikafloor®-curehard-24","title":"Sikafloor® CureHard-24","description":"\u003ch2\u003eSikafloor® CureHard-24\u003c\/h2\u003e\u003cp\u003eA high-volume solids, one-part, clear sodium silicate-based liquid hardener and densifier for fresh or hardened concrete. Reduces dust emissions, increases abrasion resistance by 81.5%, and seals concrete surfaces. Odourless and easy to apply. CE marked per EN 1504-2.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003e1-part sodium silicate liquid surface hardener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eClear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e1.2 kg\/L at +20°C (EN ISO 2811-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid Content\u003c\/td\u003e\n\u003ctd\u003e24% by mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbrasion Resistance (treated)\u003c\/td\u003e\n\u003ctd\u003e1350 mg (H22\/1000g\/1000 cycles) – 81.5% increase vs untreated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Adhesion Strength\u003c\/td\u003e\n\u003ctd\u003e4.8 N\/mm² (EN 1542)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePenetration Depth\u003c\/td\u003e\n\u003ctd\u003e5.5 mm (EN 1504-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Absorption\u003c\/td\u003e\n\u003ctd\u003ew = 0.03 kg·m⁻²·h⁻⁰·⁵ (EN 1062-3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Resistance\u003c\/td\u003e\n\u003ctd\u003e60 Nm, Class III ≥20 Nm (EN ISO 6272-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTouch Dry at +20°C\u003c\/td\u003e\n\u003ctd\u003e2 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Cure at +20°C\u003c\/td\u003e\n\u003ctd\u003e5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax. Sealing \u0026amp; Hardening\u003c\/td\u003e\n\u003ctd\u003e7 days at +20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e24 months from date of production\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eDry, +5°C to +40°C, original sealed packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eUsage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHardening and densifying concrete surfaces requiring light to moderate abrasion resistance\u003c\/li\u003e\n\u003cli\u003eDust-proofing prefabricated concrete elements\u003c\/li\u003e\n\u003cli\u003eHorizontal old or new concrete surfaces\u003c\/li\u003e\n\u003cli\u003eIndustrial, commercial, and public buildings – interior and exterior\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAdvantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReduces dust emissions vs untreated concrete\u003c\/li\u003e\n\u003cli\u003e81.5% increase in abrasion resistance vs untreated concrete\u003c\/li\u003e\n\u003cli\u003eSeals concrete surfaces\u003c\/li\u003e\n\u003cli\u003eVery good yellowing resistance\u003c\/li\u003e\n\u003cli\u003eOne-part – ready to use\u003c\/li\u003e\n\u003cli\u003eEasy to apply by spray\u003c\/li\u003e\n\u003cli\u003eHigh gloss with regular cleaning\u003c\/li\u003e\n\u003cli\u003eOdourless\u003c\/li\u003e\n\u003cli\u003eLEED v4 MR Credit compliant – EPD available\u003c\/li\u003e\n\u003cli\u003eCE marked per EN 1504-2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackaging\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e15 L container\u003c\/li\u003e\n\u003cli\u003e200 L drum\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eColour\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eClear\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003ch3\u003eProduct Information\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eComposition\u003c\/td\u003e\n\u003ctd\u003eSodium silicate water dilution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid Content\u003c\/td\u003e\n\u003ctd\u003e24% by mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e24 months from date of production\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Conditions\u003c\/td\u003e\n\u003ctd\u003eDry, +5°C to +40°C, original sealed packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eTechnical Information\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbrasion Resistance (treated)\u003c\/td\u003e\n\u003ctd\u003e1350 mg (H22\/1000g\/1000 cycles)\u003c\/td\u003e\n\u003ctd\u003eEN 1766:2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbrasion Resistance (untreated)\u003c\/td\u003e\n\u003ctd\u003e270 mg (H22\/1000g\/1000 cycles)\u003c\/td\u003e\n\u003ctd\u003eEN 1766:2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpact Resistance\u003c\/td\u003e\n\u003ctd\u003e60 Nm (Class III: ≥20 Nm)\u003c\/td\u003e\n\u003ctd\u003eEN ISO 6272-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Adhesion Strength\u003c\/td\u003e\n\u003ctd\u003e4.8 N\/mm²\u003c\/td\u003e\n\u003ctd\u003eEN 1542\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePenetration Depth\u003c\/td\u003e\n\u003ctd\u003e5.5 mm\u003c\/td\u003e\n\u003ctd\u003eEN 1504-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Absorption\u003c\/td\u003e\n\u003ctd\u003ew = 0.03 kg·m⁻²·h⁻⁰·⁵\u003c\/td\u003e\n\u003ctd\u003eEN 1062-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eCuring \u0026amp; Ready for Use\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTemperature\u003c\/th\u003e\n\u003cth\u003eOvercoating Wait Time\u003c\/th\u003e\n\u003cth\u003eFull Cure\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e+5°C \/ 50% r.h.\u003c\/td\u003e\n\u003ctd\u003e3.5 hours\u003c\/td\u003e\n\u003ctd\u003e–\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+10°C \/ 50% r.h.\u003c\/td\u003e\n\u003ctd\u003e3 hours\u003c\/td\u003e\n\u003ctd\u003e6 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+20°C \/ 50% r.h.\u003c\/td\u003e\n\u003ctd\u003e2 hours\u003c\/td\u003e\n\u003ctd\u003e5 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+30°C \/ 50% r.h.\u003c\/td\u003e\n\u003ctd\u003e1.5 hours\u003c\/td\u003e\n\u003ctd\u003e4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eApplication\u003c\/h2\u003e\u003ch3\u003eApplication Information\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e+5°C min \/ +35°C max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate Temperature\u003c\/td\u003e\n\u003ctd\u003e+5°C min \/ +35°C max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eMax. 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eConsumption\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e0.15–0.25 L\/m² per coat (4–7 m²\/L) on power-trowelled concrete\u003c\/li\u003e\n\u003cli\u003eA second coat is required on porous, rough-textured, or brush-finished surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplication Steps\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate – Fresh Concrete (≥7 days):\u003c\/strong\u003e Finish using power floating, manual floating, or tamping. Cure for at least 7 days with water spray, blankets, or plastic sheets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate – Hardened\/Old Concrete:\u003c\/strong\u003e Clean with high-pressure water cleaner. Allow to dry completely. Remove all dust, dirt, and loose material with brush or vacuum.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant – Remove Existing Treatments:\u003c\/strong\u003e Completely remove any curing agents, membrane-forming sealers, or asphalt before application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Apply in a continuous film using a high-volume, low-pressure spray unit. Do not use sprayers previously used for silicones or release agents. Touch up any dry spots immediately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrubbing:\u003c\/strong\u003e Scrub material into the surface with a soft bristle broom or floor-scrubbing machine for minimum 30 minutes until the material begins to gel and becomes slippery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReworking:\u003c\/strong\u003e Wet the surface slightly with water spray and rework for another 10–20 minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemoval of Excess:\u003c\/strong\u003e After ~20 minutes when material returns to a gel, rinse the floor and remove excess with a squeegee, wet vacuum, or mop. Dried residue leaves white stains removable only mechanically.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond Coat:\u003c\/strong\u003e Apply on porous or rough surfaces after the first coat is dry and tack-free.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore Subsequent Coating:\u003c\/strong\u003e After cure, abrade the surface mechanically (light to heavy shot blasting) before applying any subsequent coating system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Weather (\u0026gt;+25°C):\u003c\/strong\u003e Store product in a cool place. Apply additional material to keep surface wet during scrubbing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture Protection:\u003c\/strong\u003e Protect treated surface from moisture for at least 3 days after application to prevent efflorescence.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":42519611801685,"sku":null,"price":62.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/5987\/3365\/files\/496ffc_960688d577e648e29024919c6667e21a_mv2.webp?v=1779370893","url":"https:\/\/esemall.com\/products\/sikafloor%c2%ae-curehard-24","provider":"ESE Mall Construction Hub","version":"1.0","type":"link"}