Process

%

Chemical

^oC

Time(min)

PH

Comments

Washing

200

Water

40

0.3

Formic acid

20

Drain

100

Water

35

Rechroming

3

Chrome ( 26 / 33 )

1.5

Rockol OFL

60

0.7

Sodium formate

30

O.N(Run 5 min-stop 2 hr)

Drain

150

Water

35

Neutralization

1.5

Sodium formate

30

1

Rockytan TAK

30

5.2

Check Ø with B.C.G

Drain

Washing

300

Water

35

5

Drain

80

Water

35

Dyeing

3

Dye

60

Check Ø penetration

Retannage

3

Rockytan RE-540

30

4

Rockytan RR7

1.5

Rockytan RD

30

3

Mimosa extract

3

Rockytan RAB

30

Add

50

Water

60

Fatliquaring

2

Rockol FM-222

2

Rockol OFM-345

4

Rockol LNP-375

1.5

Rockol OPS-322

60

1.5

Formic acid

2×15

3.5-3.7

         Drain

Washing

200

Water

20

5