|
Raw Material |
|
|
Pickled grainsplits of sheep and lamb skins |
|
|
Product Used: |
|
|
Tannigan PC |
|
Light fast syntan with buffering neutralising action |
|
Baymol D |
|
Biodegreadble degreasing agent |
|
Baykanol Liqour TN |
|
Anionic, synthetic fatliqouring agent |
|
Tanigan OS |
|
Synthetic replacement tanning material, low astringency |
|
Baychrome P |
|
Organically masked chrome tanning material with approx. 50% basicity and 30% chrome oxide |
|
Percentage on pickled weight |
|
|
Depickling |
Top |
| |
200.0% |
|
Water 35°
C |
|
| |
3.0% |
|
Tanigan PC undissolved |
|
| |
0.5% |
|
Sodium bicarbonate undissolved |
5 mins. |
| |
|
|
Add pelts |
30 mins. |
|
Degreasing |
Top |
| |
2.0% |
|
Baymol D |
|
| |
|
|
Baykanol Liqour TN |
60 mins. |
| |
|
|
PH of float: 4.0-4.2 |
|
|
Rinsing |
|
|
Water 35°
C |
15 mins |
| |
|
|
Drain float |
|
|
Tanning |
Top |
| |
200.0% |
|
Water 35°
C |
|
| |
2.0% |
|
Baykanol Liqour TR |
|
|
add |
10.0% |
|
Water 50°
C for emulsifying |
30 mins. |
|
Add |
10.0% |
|
Tanigan OS undissolved |
30 mins. |
| |
|
|
PH float: 4.1-4.3 |
|
| |
|
|
Lieave in the drums overnight |
|
|
Add |
0.5% |
|
Oxalicacid undissolved |
60 mins. |
| |
|
|
PH float: 3.8-4.0 |
|
|
Rinsing |
|
|
Water 20°
C |
10 mins. |
|
Dyeing |
200.0% |
|
Water 35°
C |
|
| |
2/3 |
|
Dyestuff (combination) undissolved |
30 mins |
|
Add |
|
|
Formic acid 85%
75-100% on weight of dystuffs used (dilute 1:10) |
45 mins. |
| |
|
|
PH of float; 4.0-4.2 |
|
|
Retanning |
8.0% |
|
Baychrome F undissolved |
2 hour |
|
Add |
1.0% |
|
Sodium accetate undissolved |
60 mins. |
| |
|
|
PH of float:4.0-4.2 |
|
|
Top Dyeing |
1/3 |
|
Dyestuff (combination) undissolved |
20 mins. |
|
Fatliqouring |
Top |
| |
5.0% |
|
Coripol LFB |
|
| |
2.0% |
|
Baykanol Liqour TM |
|
| |
30.0% |
|
Water 60°
C foremulsifying |
45mins. |
|
Add |
|
|
Formic acid 85%
100% on weight of dystuffs used (dilute 1:10) |
30mins |
|
Rinsing |
|
|
Water 20°
C |
5mins. |
| |
|
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Horse up overnight,vacuum drying (10 sec. At 50°
C - 50% counterpressure), toggle, dry |
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Notes |
Top |
- Tannigan PC and
sodiium bicarbonate can be replaced to advantage by 3-4% TaniganCN. Tanigan CN is a light fast specialt syntan in powder form. It has very low adstringency and a good buffering action. The pickled pelts are automatically adjusted to a pH of 3.6-4.0
- Emulsify Baykanol Liqour TN 1:3 with water 50°
C, add together with Baymol D.
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FeedBack
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Product |
Depickling |
Degreasing |
Tanning |
fatliqouring |
Notes
