AW calculation

Good morning.

Can someone tell me do i use clinker chemistry or raw meal chemistry when calculating AW? Also which one of the formula below is correct:

When AR > 0.64

AW = C3A + C4AF + 0.2C2S + 2F

OR

AW = C3A + C4AF + 0.2C2S

Thank you

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re AW calculation

Hello Stephen,

You should use clinker chemistry for calculating the coating index and, as far as I know,  the first formula is the correct one... at least that's the same as the one I have for AR >0.64.

Regards,

Ted.

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re AW calculation

Thank you Mr. Ted.

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