Process

%

Chemical

^oC

Time(min)

PH

Comments

Washing

200

Water

40

0.3

Rockol  L-151

20

Drain

100

Water

35

Rechroming

4

Chrome (26/33)

0.5

Sodium formate

60

O.N(Run5min-stop1hour)

Drain

150

Water

35

Neutralization

1

Sodium formate

30

0.8

Sodium bicarbonate

3×15

5.2

Check  Ø  with B.C.G

Drain

Washing

300

Water

35

5

Drain

80

Water

35

Retannage

4

Rockytan RR7

30

2

Rockytan RD

30

2.5

Rockytan RP2

2

Mimosa extract

3

Dye

60

Check  Ø  Penetration

50

Water

60

Fatliquoring

2

Rockol FM-222

3

Rockol LNP-375

1

Rockol FM-222

60

2

Rockytan RE-540

30

0.5

Formic acid

2×15

4.2

1

Rockytan ROS  

20

0.5

Formic acid

2×15

3.7

Drain

Washing

200

Water

20

5