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Cr(VI) - Mapei

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MA.P.E./<strong>Cr</strong> 06*CHEMICAL-PHYSICAL DATAPlease refer to the appropriate safety datasheets.DOSAGE: The dosage depends on<strong>Cr</strong>(<strong>VI</strong>) cement content and plant type.Generally speaking we suggest a dosagebetween 100 and 120 g/t for each ppm of<strong>Cr</strong>(<strong>VI</strong>) existing in calcium aluminatecement. However for Portland cement thedosage can be lower, between 67 and 75g/t for each ppm of <strong>Cr</strong>(<strong>VI</strong>).The higher dosages threshold should beconsidered when clinker/cement isparticularly hot and a water coolingsystem is present.The optimum dosage, in any case, has tobe found through a reliable industrial trial,preferably with the help of MAPEI CementAdditives Division technicians.PACKAGINGMA.P.E./<strong>Cr</strong> 06* is available in plastictanks (1.300 kg net) and in iron drums(250 kg net).STORAGEThis additive when stored correctly can beused up to six months.Avoid temperatures below 0 °C and above50 °C. Store plastic tanks away from directsunlight and heat sources.Avoid adding water to the product and anyother possible contamination.TECHNICAL ASSISTANCEMAPEI Cement Additives Divisiontechnicians are available to cementfactories, in order to optimise the dosageand grinding circuit during industrial tests.SAFETY INSTRUCTIONSTo safeguard the employees health it issufficient to respect the usual rules ofindustrial hygiene and manipulation ofchemical products. For further informationplease refer to the safety data sheet.PRODUCT FOR PROFESSIONAL USE.WARNINGN.B. – Although the technical details andrecommendations contained in thisproduct report correspond to the best ofour knowledge and experience, all theabove information must, in every case, betaken as merely indicative and subject toconfirmation after long-term practicalapplications: for this reason, anyone whointends to use the product must ensurebeforehand that it is suitable for theenvisaged application: in every case, theuser alone is fully responsible for anyconsequences deriving from the use of theproduct.DOSAGE SYSTEMMA.P.E./<strong>Cr</strong> 06* can be dosed by means ofnormal piston or screw pumps.* Patent pending10/07/2007 - 2

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