Constant conditions

Concentration (Cepreton UN)

Time

Temperature

Fibers (Stem diameter)

2%

30 minutes

40˚C

E4 (Wide)

Variable conditions

1) Fiber incubation in pH = 7.0

2) Fiber incubation in pH = 4.5

3) Fiber incubation with 2% Cepreton UN UN in pH = 7.0

4) Fiber incubation with 2% Cepreton UN UN in pH = 4.5