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Service > Portland cement alkali content

  • Portland cement alkali content

    Ordinary Portland cement alkali content of sodium oxide content is consistent with the number of GB ah?


    There is no national standard, requiring both parties agreed on the GB / T175-2007, a place below 0.7 standard for low-alkali cement.


    Ensure that the total alkali content of concrete or gravel are no more than three non-active can ensure concrete alkali aggregate reaction does not occur

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