Concrete admixture Naphthalene superplasticizer

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Concrete admixture Naphthalene superplasticizer
Posting date : Dec 10, 2013
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38-
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Main ingredients β—Naphthalene sulphonate formaldehyde condensates (NSF) Appearance PH Value (23°C) Content of water Fineness Defoaming time Fluidity of cement paste Water reducing ratio(%) Bleeding rate yellowish-brown Powerder 7-9 ≤10% 0.315mm, sieving residus≤12% ≤30S 230mm 12-28% ≤40 Content of air Cement saveing Margin of setting time(min) corrosion to concrete iron <3 15-20% -30~±30 NO Ratio of Compressive Strength (%) 1day 3days 7days 28days Ratio of contraction 28days 145 140 130 120 ≤120 Dosage 1.Recommended dosage vary from 0.5%-1.5%,water reducing ratio can reach to 12-28%. 2.This product has Powerder and Liquid for choice, liquid's solid content is 40±2%,proportion≥1.22,dosage is 1.5-3.0%, other characteristic are same as powerder.

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