{"product_id":"西卡永聯結-sika-ronacrete-unicell-wf-25kg","title":"Sika Ronacrete Unicell WF","description":"\u003cdiv class=\"tldr-box\" style=\"background:#f0f4f8;border-left:4px solid #2c5282;padding:16px;margin-bottom:24px\"\u003e\n\u003cstrong\u003eSummary:\u003c\/strong\u003e\u003cp\u003eUnicell WF is a prepacked high build polymer modified waterproof render\/repair mortar, PCCS-RM Class S certified (fcu 20 MPa), WRc-NSF certified for hot and cold water. 28-day compressive strength 50 MPa, overhead 6-30 mm, vertical 6-75 mm, 25 kg bag.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eUnicell WF is a prepacked Vinyl Acetate Copolymer modified mortar requiring only the addition of clean water to produce a mortar suitable for waterproofing, rendering, and general concrete repairing. Certified under the HKCI Product Conformity Certification Scheme for Repair Mortars (PCCS-RM) Class S, suitable for concrete with characteristic strength (fcu) of 20 MPa. Also WRc-NSF certified (Test Report No. MAT\/LAB 250E), meeting the criteria of BS 6920:Part:2000 Clause 7, suitable for use with hot (up to 30°C) and cold water.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh build: overhead 6 mm to 30 mm, vertical 6 mm to 75 mm\u003c\/li\u003e\n\u003cli\u003ePre-packed for control and convenience\u003c\/li\u003e\n\u003cli\u003eEasy to mix and apply\u003c\/li\u003e\n\u003cli\u003eEasy to achieve smooth surface finish\u003c\/li\u003e\n\u003cli\u003eWaterproof (WRc-NSF certified for hot and cold water)\u003c\/li\u003e\n\u003cli\u003eLow VOC (\u0026lt; 10 g\/L)\u003c\/li\u003e\n\u003cli\u003eCan contribute to LEED certification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh build waterproof render\u003c\/li\u003e\n\u003cli\u003eInternal and external rendering\u003c\/li\u003e\n\u003cli\u003eStructural and general concrete repairs to buildings and bridges\u003c\/li\u003e\n\u003cli\u003eReinstate damaged concrete and protect reinforcement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose Unicell WF\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePCCS-RM Class S certified with waterproofing function\u003c\/li\u003e\n\u003cli\u003eWRc-NSF certified for hot and cold water, suitable for water tanks and potable water contact\u003c\/li\u003e\n\u003cli\u003eHigh build performance (up to 75 mm vertical) reduces application passes\u003c\/li\u003e\n\u003cli\u003eMost sizes in stock; please enquire for specific models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePackaging\u003c\/h2\u003e\n\u003cp\u003e25 kg bag\u003c\/p\u003e\n\n\u003ch2\u003eConsumption\u003c\/h2\u003e\n\u003cp\u003eApprox. 58 bags\/m³\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth\u003eProperty\u003c\/th\u003e\u003cth\u003eValue\u003c\/th\u003e\u003cth\u003eTest Method\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eCompressive Strength (7 days)\u003c\/td\u003e\u003ctd\u003e40 MPa\u003c\/td\u003e\u003ctd\u003eTM1\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCompressive Strength (28 days)\u003c\/td\u003e\u003ctd\u003e50 MPa\u003c\/td\u003e\u003ctd\u003eTM1\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTensile Strength in Flexure (28 days)\u003c\/td\u003e\u003ctd\u003e13 MPa\u003c\/td\u003e\u003ctd\u003eEN 1015:Part 11\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTensile Strength (7 days)\u003c\/td\u003e\u003ctd\u003e3.0 MPa\u003c\/td\u003e\u003ctd\u003eTM2\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTensile Strength (28 days)\u003c\/td\u003e\u003ctd\u003e3.5 MPa\u003c\/td\u003e\u003ctd\u003eTM2\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTensile Adhesion Strength (7 days)\u003c\/td\u003e\u003ctd\u003e2.0 MPa\u003c\/td\u003e\u003ctd\u003eTM4\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eTensile Adhesion Strength (28 days)\u003c\/td\u003e\u003ctd\u003e2.5 MPa\u003c\/td\u003e\u003ctd\u003eTM4\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eShear Adhesion (28 days)\u003c\/td\u003e\u003ctd\u003e40 MPa\u003c\/td\u003e\u003ctd\u003eBS 6319:Part 4\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eShrinkage (Coutinho Ring)\u003c\/td\u003e\u003ctd\u003eNo cracking 1-28 days\u003c\/td\u003e\u003ctd\u003e-\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eSoluble Chloride Ion Content\u003c\/td\u003e\u003ctd\u003e0.01% by mass of cement\u003c\/td\u003e\u003ctd\u003eCS1:1990\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eAppearance\/Colour\u003c\/td\u003e\u003ctd\u003eConcrete grey\u003c\/td\u003e\u003ctd\u003e-\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eStorage Temperature\u003c\/td\u003e\u003ctd\u003e+5°C to +35°C, RH \u0026lt; 80%\u003c\/td\u003e\u003ctd\u003e-\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eShelf Life\u003c\/td\u003e\u003ctd\u003e9 months from date of production\u003c\/td\u003e\u003ctd\u003e-\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eNotes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor rendering: remove all laitance and loose material from concrete surface\u003c\/li\u003e\n\u003cli\u003eFor concrete repair: remove all defective concrete to a sound substrate; cut to minimum 6 mm depth around perimeter\u003c\/li\u003e\n\u003cli\u003ePrimer ratio: Unicell Primer : Cement = 1:1.5 by volume OR 1:2.0 by weight\u003c\/li\u003e\n\u003cli\u003eMixing: whole bag with 3.5-4 litres clean water, mix at low speed drill (~500 rpm) for 2 minutes\u003c\/li\u003e\n\u003cli\u003eApply to prepared and primed substrate while primer is still wet\/tacky\u003c\/li\u003e\n\u003cli\u003eOverhead thickness 6-30 mm, vertical 6-75 mm\u003c\/li\u003e\n\u003cli\u003eIntermediate layers must be scarified and re-primed before the next layer\u003c\/li\u003e\n\u003cli\u003eStore in original unopened sealed packaging at +5°C to +35°C, RH \u0026lt; 80%, protected from direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eHow does Unicell WF differ from other Unicell products?\u003c\/h3\u003e\n\u003cp\u003eUnicell WF is specifically designed for waterproof rendering and repair, with both PCCS-RM Class S certification and WRc-NSF certification for hot and cold water contact. Other Unicell products (25\/40\/60) are graded primarily by strength class and do not carry WRc potable water certification.\u003c\/p\u003e\n\u003ch3\u003eCan it be used in water tanks?\u003c\/h3\u003e\n\u003cp\u003eYes. Unicell WF is WRc-NSF certified, meeting BS 6920 requirements for use with hot (up to 30°C) and cold water.\u003c\/p\u003e\n\u003ch3\u003eHow can I purchase Unicell WF?\u003c\/h3\u003e\n\u003cp\u003ePlease contact us via WhatsApp for the latest pricing and availability. We offer in-store pickup at our Mong Kok shop and delivery across Hong Kong.\u003c\/p\u003e","brand":"Sika Ronacrete 西卡永聯結","offers":[{"title":"Default Title","offer_id":43686308708502,"sku":"","price":1.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/9027\/1382\/files\/sika_ronacrete_unicell_WF_25KG_waterproof_mortar_prepacked_concrete_repair_HKCI_certified.webp?v=1760463406","url":"https:\/\/wahhingwp.com\/en\/products\/%e8%a5%bf%e5%8d%a1%e6%b0%b8%e8%81%af%e7%b5%90-sika-ronacrete-unicell-wf-25kg","provider":"華興建築防水材料有限公司","version":"1.0","type":"link"}