Selected coupling agent

KH-550

KH-171

KH-602

Stability

Good

Good

Good

Softness (mm)

29.3

30.6

28.9

Smoothness

4 - 5

4 - 5

4 - 5

Hydrophilicity

11.39

12.47

12.52

Whiteness

74.9

75.2

73.6