Coded input

Uncoded input parameters

Levels

1

2

3

4

x(1)

Fabric ID

I.

II.

I.

-

x(2)

Treatment time, min

5

15

-

-

x(3)

Treatment temperature, ˚C

30

50

-

-

x(4)

Enzyme concentration, mL/L

0.7

1.5

-

-

x(5)

Storage time, day

0

1

-

-

x(6)

Inactivation step

Not applied (N)

Applied (A)

-

-

x(7)

Enzyme ID

A

B

C

D