SG11201900700S (A)

Fly ash, cement composition, and production method for fly ash

(22) 19.09.2017

(43) 27.02.2019

(57) Fly ash, cement composition, and production method for fly ash: Provided are fly ash, a cement composition containing the fly ash, and a method for preparing fly ash, the fly ash being capable of suppressing deterioration in fluidity to improve workability and suppressing color unevenness. In the fly ash, a content of particles having a particle diameter of 45 μm or more measured by a Laser diffraction particle size analysis method is lower than 38 vol%, and a content of particles having a particle diameter of less than 5 μm measured by the analysis method is 12 vol% or lower. In addition, the cement composition comprises the fly ash and cement.

(71) Sumitomo Osaka Cement Co., Ltd (JP)

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