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ASTM Categories

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ASTM Categories

ASTM C494 specifies the requirements for seven chemical admixture types. They are:


-Type A: Water-reducing admixtures
-Type B: Retarding admixtures
-Type C: Accelerating admixtures
-Type D: Water-reducing and retarding admixtures
-Type E: Water-reducing and accelerating admixtures
-Type F: Water-reducing, high range admixtures
-Type G: Water-reducing, high range, and retarding admixtures

  • Date: 2/28/2017
  • Source: