Table 2: Dosages.

Dosage
Type Dosage 1:3 c/a Dosage 1:4 c/a
50% 75% 100% 50% 75% 100%
RA-1 0.58 0.66 0.70 0.75 0.86 0.90
RA-2 0.58 0.66 0.70 0.75 0.86 0.90
NA - - 0.55 - - 0.62

Note: 1% of additive over the weight of cement