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<h1>datenblaetter-func-113615-trans-en.pdf</h1> <p>SCHOMBURG GmbH & Co. KG <br />Aquafinstrasse 2–8 <br />D-32760 Detmold - Germany <br />phone + 49-5231- 953-00 <br />fax <br />+ 49-5231- 953-108 <br />mail export@schomburg.de <br />www.schomburg.de/en</p> <p>OC17 - Anti Freeze </p> <p>Technical Data Sheet <br /> </p> <p>Curing accelerator for concrete and cement mortars</p> <p>Properties: <br />• chloride free <br />• solvent free <br />• concentrate <br />• for interior and exterior use <br />Areas of application: <br />OC17 is used to accelerate concrete hardening and <br />is therefore suitable for concrete works in temperate <br />climates and during the winter season. It can also be <br />used for achieving high early strength concrete, <br />masonry mortars and screeds. <br />Technical Data: <br />Basis: inorganic salts <br />Colour: clear <br />Form: liquid <br />Density: 1.43 g/cm3 at +25° C <br />Packaging: <br />5 kg cans <br />Processing Temp.: <br />-10 °C to +25 °C <br />Storage: <br />Cool and dry, 24 months <br /> <br />in the original unopened <br /> packaging. Use opened <br /> packaging promptly. <br />Consumption: <br />Concrete: <br />max. 1 % of cement content <br /> <br />(approx. 250 g per 25 kg <br /> cement) <br />Cementitious mortar: <br />max. 2 % of cement content <br /> (approx. 500 g per 25 kg <br /> cement) <br />Product preparation: <br />OC17 may be added to the gauging water at the <br />appropriate dosage or with the aggregate into the <br />mixer at the same time. <br />Important advice: <br />The regulations for use in the winter are to be strictly <br />observed. In order to obtain the best possible results <br />with the antifreeze agent the following should <br />be exactly regarded:</p> <p>Art.-No. 2 05502</p> <p>• T he use of faultless aggregates is taken for granted. <br />Do not use frozen building materials. Suitability tests, <br />conforming to valid guidlines and the requirements of <br />the particular are of use, are to be carried out. <br />• The product contains Calcium Nitrate. For use in <br />reinforced or pre-stressed concrete please refer to <br />local standards and/or regulations. <br />Corrosion behaviour: <br />Contains substances to EN 934-1:2008 <br />Annex A.2: calcium nitrate. <br />• The use of this type of admixture - regardless of brand <br />name - does not replace existing regulations in winter. <br />The additive is not permitted with reinforced or <br />pre-stressed concrete in accordance with DIN EN <br />206-1/ DIN 1045-2. <br />• The exterior temperature must not fall below -10 °C <br />during installation of the concrete or mortar. <br />• The temperature of the aggregates (water and <br />cement) should always be greater than +2 °C. <br />If necessary, hot gauging water should be used. The <br />temperature of the fresh concrete must not be below <br />+5 °C <br />• Choose a water cement ratio as low as possible in <br />order to keep the percentage of water to a minimum. <br />• After the addition of OC17 the cement hydration <br />process is accelerated. Therefore long transport <br />distances and small transport containers are to be <br />avoided. Immediately after pouring the concrete or <br />mortar is to be protected with straw mats, plastic <br />sheets etc. to avoid the heat from escaping too <br />quickly. <br />• The acceleration of the binder depends on the <br />formulation and must be determined by appropriate <br />preliminary tests, in order to avoid an overly quick <br />reaction. <br />Please adhere to valid European Materials Safety Data <br />Sheet (MSDS)! <br />GISCODE: BZM01</p> <p>This technical data sheet is a translation from German and does not consider local building codes or legal requirements. It shall be used as general reference for the product. <br />Legally binding is only the latest German technical data sheet or the latest data sheet from one of our foreign subsidiaries inside their sales territory. <br />24/13 SF/ED/CoS/JD</p>
