Trial No.

Levels of parameter settings

A-Particle size (µm)

B-Rice husk

(Vol. fraction%)

C-Polymer resin

1

1

1

1

2

1

2

2

3

1

3

3

4

2

1

2

5

2

2

3

6

2

3

1

7

3

1

3

8

3

2

1

9

3

3

2