S. no

GSM

Sample weight (10 × 10 cm) (g)

Maximum water holding (ml)

Maximum absorption capacity (%)

Drying time in minutes

Temp 35˚C and RH = 50%

Temp 45˚C and RH = 70%

1

350

3.50

10

156

32 min

17 min

2

450

4.50

12

185

65 min

20 min

3

550

5.50

17

200

95 min

48 min

4

650

6.50

22

22

123 min

73 min

5

750

7.50

28

230

155 min

80 min