|
Percentage On: shaved weight
Ref No: 24
Thickness (mm): 1.8-1.9
|
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 |
4 |
Chrome ( 26 / 33 ) |
|
|
|
|
|
|
0.3 |
Sodium formate |
|
45 |
|
|
|
|
1.5 |
Rockenal DC |
|
30 |
|
|
|
|
0.7 |
Sodium formate |
|
30 |
|
O.N(stop 1hr-Run 2 min) |
|
Drain |
|
|
|
|
|
|
|
|
100 |
Water |
35 |
|
|
|
|
Neutralization |
1.5 |
Rockytan RPR |
|
45 |
|
|
|
|
0.5-1 |
Rockytan TAK |
|
30 |
5 |
Check Ø with B.C.G |
|
|
Drain |
|
|
|
|
|
|
Washing |
300 |
Water |
35 |
10 |
|
|
|
|
Drain |
|
|
|
|
|
|
|
80 |
Water |
35 |
|
|
|
|
Retannage |
3 |
Rockytan RE-540 |
|
30 |
|
|
|
|
| |