{"product_id":"sikafloor®-161-hc","title":"Sikafloor®-161 HC","description":"\u003ch2\u003eSikafloor®-161 HC\u003c\/h2\u003e\u003cp\u003eA 2-part, low viscosity multipurpose epoxy resin for priming and levelling concrete and cementitious substrates. Solvent-free with excellent bond strength and short waiting times. Suitable as a primer, bonding bridge, levelling mortar binder, and intermediate layer for Sikafloor®-263 SL HC and Sikafloor®-264 HC flooring systems.\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\u003e2-component low viscosity epoxy resin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMixing Ratio\u003c\/td\u003e\n\u003ctd\u003ePart A : Part B = 79 : 21 (by weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity – Part A\u003c\/td\u003e\n\u003ctd\u003e~1.6 kg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity – Part B\u003c\/td\u003e\n\u003ctd\u003e~1.0 kg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDensity – Mixed\u003c\/td\u003e\n\u003ctd\u003e~1.4 kg\/L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid Content\u003c\/td\u003e\n\u003ctd\u003e~100% by mass and volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShore D Hardness\u003c\/td\u003e\n\u003ctd\u003e~76 (7 days at +23°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompressive Strength\u003c\/td\u003e\n\u003ctd\u003e~60 N\/mm² (28 days at +23°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlexural Strength\u003c\/td\u003e\n\u003ctd\u003e~30 N\/mm² (28 days at +23°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile Adhesion Strength\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;1.5 N\/mm² (failure in concrete, ISO 4624)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eService Temperature\u003c\/td\u003e\n\u003ctd\u003eMax. +60°C short-term (7 days)\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, +18°C to +30°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\u003ePriming concrete substrates, cement screeds, and epoxy mortars\u003c\/li\u003e\n\u003cli\u003eLow to medium absorbent substrates\u003c\/li\u003e\n\u003cli\u003ePrimer for Sikafloor®-263 SL HC and Sikafloor®-264 HC flooring systems\u003c\/li\u003e\n\u003cli\u003eBinder for levelling mortars and mortar screeds\u003c\/li\u003e\n\u003cli\u003eIntermediate layer underneath Sikafloor®-263 SL HC and Sikafloor®-264 HC\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAdvantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLow viscosity with good penetration into substrate\u003c\/li\u003e\n\u003cli\u003eExcellent bond strength (\u0026gt;1.5 N\/mm²)\u003c\/li\u003e\n\u003cli\u003eSolvent free\u003c\/li\u003e\n\u003cli\u003eEasy application\u003c\/li\u003e\n\u003cli\u003eShort waiting times between coats\u003c\/li\u003e\n\u003cli\u003eMulti-purpose – primer, binder, bonding bridge, and screed\u003c\/li\u003e\n\u003cli\u003eLEED v4 EQ credit compliant – low-emitting materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackaging\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e20 kg set (Part A + Part B)\u003c\/li\u003e\n\u003cli\u003e10 kg set (Part A + Part B)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eColour\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart A (Resin): Brownish-transparent liquid\u003c\/li\u003e\n\u003cli\u003ePart B (Hardener): Transparent liquid\u003c\/li\u003e\n\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\u003eEpoxy (2-component)\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, +18°C to +30°C, original sealed packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolid Content\u003c\/td\u003e\n\u003ctd\u003e~100% by mass and volume\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\u003eCoating System\u003c\/th\u003e\n\u003cth\u003eProduct \/ Mix\u003c\/th\u003e\n\u003cth\u003eConsumption\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePriming\u003c\/td\u003e\n\u003ctd\u003eSikafloor®-161 HC\u003c\/td\u003e\n\u003ctd\u003e0.35–0.55 kg\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLevelling Mortar \/ Scratch Coat\u003c\/td\u003e\n\u003ctd\u003e1 pbw Sikafloor®-161 HC + 0.5 pbw quartz sand (0.1–0.3 mm)\u003c\/td\u003e\n\u003ctd\u003e1.7 kg\/m²\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBonding Bridge\u003c\/td\u003e\n\u003ctd\u003eSikafloor®-161 HC\u003c\/td\u003e\n\u003ctd\u003e0.3–0.5 kg\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResin Screed (15–20 mm)\u003c\/td\u003e\n\u003ctd\u003e1 pbw Sikafloor®-161 HC + 8 pbw quartz sand\u003c\/td\u003e\n\u003ctd\u003e2.2 kg\/m²\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003ePot Life\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eTemperature\u003c\/th\u003e\n\u003cth\u003ePot Life\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e+10°C\u003c\/td\u003e\n\u003ctd\u003e~50 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+20°C\u003c\/td\u003e\n\u003ctd\u003e~25 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+30°C\u003c\/td\u003e\n\u003ctd\u003e~15 minutes\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\u003eSubstrate Temp.\u003c\/th\u003e\n\u003cth\u003eFoot Traffic\u003c\/th\u003e\n\u003cth\u003eLight Traffic\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+10°C\u003c\/td\u003e\n\u003ctd\u003e~24 h\u003c\/td\u003e\n\u003ctd\u003e~6 days\u003c\/td\u003e\n\u003ctd\u003e~10 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+20°C\u003c\/td\u003e\n\u003ctd\u003e~12 h\u003c\/td\u003e\n\u003ctd\u003e~4 days\u003c\/td\u003e\n\u003ctd\u003e~7 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+30°C\u003c\/td\u003e\n\u003ctd\u003e~8 h\u003c\/td\u003e\n\u003ctd\u003e~2 days\u003c\/td\u003e\n\u003ctd\u003e~5 days\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\u003eMixing Ratio\u003c\/td\u003e\n\u003ctd\u003ePart A : Part B = 79 : 21 (by weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature\u003c\/td\u003e\n\u003ctd\u003e+10°C min \/ +30°C max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate Temperature\u003c\/td\u003e\n\u003ctd\u003e+10°C min \/ +30°C max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eMax. 80% r.h.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate Moisture\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;4% pbw (no rising moisture per ASTM polyethylene sheet test)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDew Point\u003c\/td\u003e\n\u003ctd\u003eSubstrate must be min. 3°C above dew point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayer Thickness (as top coat)\u003c\/td\u003e\n\u003ctd\u003e70–140 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayer Thickness (standalone)\u003c\/td\u003e\n\u003ctd\u003e140–275 microns\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eApplication Steps\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate Requirements:\u003c\/strong\u003e Concrete must have min. compressive strength of 25 N\/mm² and pull-off strength ≥1.5 N\/mm². Surface must be clean, dry, and free from oil, grease, coatings, and contaminants. Moisture content \u0026lt;4% pbw.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstrate Preparation:\u003c\/strong\u003e Mechanically prepare using abrasive blast cleaning, planing, scarifying, or grinding to remove laitance. Grind high spots. Vacuum all dust and loose material. Fill cracks, blowholes, and voids with Sikafloor®, Sikadur®, or Sikagard® products.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimer Mixing:\u003c\/strong\u003e Mix Part A for ~30 seconds. Add Part B to Part A. Mix continuously for ~3 minutes at 300–400 rpm until uniform. Pour into a clean container and mix again. Scrape sides and bottom at least once during final mixing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLevelling Mortar Mixing:\u003c\/strong\u003e Mix Part A for ~30 seconds. Add Part B. While mixing, gradually add required filler\/aggregates. Mix for a further 2 minutes until uniform. Pour into clean container and mix again.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Primer Application:\u003c\/strong\u003e Pour mixed product onto substrate. Spread evenly with short pile roller or squeegee. Back-roll in two directions at right angles with a fleece roller. Maintain a wet edge. If broadcasting, wait 15–30 minutes then broadcast quartz sand to excess. Vacuum loose sand after hardening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBonding Bridge:\u003c\/strong\u003e Apply with brush, fleece roller, or squeegee. Back-roll in two directions. Apply second coat if required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResin Screed:\u003c\/strong\u003e Pour wet-on-wet onto still-tacky primer. Spread and compact with trowel to required thickness between screed rails. Level with levelling beam. Finish with trowels or power floats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e Clean all tools immediately with Thinner C. Hardened material can only be removed mechanically.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sika","offers":[{"title":"Default Title","offer_id":42519519199317,"sku":null,"price":160.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0616\/5987\/3365\/files\/Sikafloor_-161_HC.png?v=1779337639","url":"https:\/\/esemall.com\/products\/sikafloor%c2%ae-161-hc","provider":"ESE Mall Construction Hub","version":"1.0","type":"link"}