|
Percentage On: shaved weight
Ref No: 21
Thickness (mm):
1.5-1.6
|
Process |
% |
Chemical |
oC |
Time(min) |
PH |
Comments |
|
Washing |
200 |
Water |
40 |
|
|
|
|
|
0.3 |
Rockol 642 |
|
|
|
|
|
|
0.3 |
Formic acid |
|
20 |
|
|
|
Drain |
|
|
|
|
|
|
|
|
100 |
Water |
35 |
|
|
|
|
Rechroming |
3 |
Rockytan RHN |
|
60 |
|
|
|
|
0.7 |
Sodium formate |
|
30 |
|
|
|
Drain |
|
|
|
|
|
|
|
|
150 |
Water |
35 |
|
|
|
|
Neutralization |
1 |
Sodium formate |
|
30 |
|
|
|
|
0.5 |
Sodium bicarbonate |
|
3×
15 |
4.9 |
Check Ø with B.C.G |
|
Drain |
|
|
|
|
|
|
|
Washing |
300 |
Water |
35 |
5 |
|
|
|
|
80 |
Water |
35 |
|
|
|
|
Retannage |
4 |
Rockytan RE-540 |
|
30 |
|
|
|
|
2 |
Rockytan RD |
|
30 |
|
|
|
|
2.5 |
Rockytan RAB |
|
20 |
|
|
|
|
2 |
Rockytan ROS |
|
20 |
|
|
|
|
0.3 |
Formic acid |
|
30 |
|
|
|
Drain |
|
|
|
|
|
|
|
|
80 |
Water |
50 |
|
|
|
|
Fatliquoring |
2 |
Rockol LNE-918 |
|
|
|
|
|
|
3 |
Rockol CS-414 |
|
|
|
|
|
|
1 |
Rockol LNP-375 |
|
60 |
|
|
|
|
1 |
Formic acid |
|
2×15 |
3.7 |
|
|
Drain |
|
|
|
|
|
|
|
Washing |
200 |
Water |
20 |
5 |
3.7 |
|
Rinse-horse
up-samming-setting-vacuum (2min-50 oc)-drying-staking-dry
vacuum(45sec-60 oc) |
