9e53c149__Cement___Pavement_Interactive__ASTM_Types_of_Portland_Cement_2
[0] IV [1] Low Heat of Hydration [2] 
Used when hydration heat must be minimized in large volume applications such as gravity dams. Contains about half the C3S and C3A and double the C2S of Type I cement.
Portland Cement | Pavement Interactive
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