Parameter
Level 1
Level 2
Level 3
level 4
A. Time (min)
5
7.5
10
17.5
B. Temperature (°C)
80
85
90
95
C. Agitation speed (rpm)
180
350
450
600
D. Coagulant concentration agent (wt %)
1
2
3
4
E. latex to coagulant Volume ratio
3:1
2:1
3:2
1:1
Table 1:
Factors and their values corresponding to the levels in the experiments.