Drying Conditions

Drying Period

Temperature (˚C)

Average Plasticity before Ageing (P₀)

Average Plasticity after Ageing (P₃₀)

PRI (%)

Air

6 days (144 hrs)

27 - 33

36

30

83.33

Smoke

3 days (72 hrs)

38 - 45

14

8

57.14

Oven

1/2 day (12 hrs)

55

40

32

80