pozzolana cement ingredients

  • US5588990A - Pozzolan cement compositions and admixtures ...

    Pozzolan cement compositions and admixtures therefor. Admixtures for blending into cement to create such blended cements or their read-mix equivalents contain calcined kaolin, calcined diatomaceous earth, and potassium, with or without talc and/or bentonite or their functional equivalents.

  • Cement Composition - The Concrete Portal

    ASTM C595 also classifies two blended cements – Portland Slag Cement (Type IS) and Portland Pozzolana Cement (Type IP). While Type IS consists of 25 – 70% slag by mass, Type IP consists of 15 – 40% of a normally pozzolanic material by mass (fly ash, volcanic ash etc.).

  • Estimation of pozzolana content in Portland pozzolana cement

    A simple and rapid method based on cold and dilute hydrochloric acid has been developed to determine pozzolana content in Portland pozzolana cements (PPC). The method is applicable to different types of pozzolana even in the absence of original samples of ingredients used in the production of PPC.

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