Wet Blue Leather Production Calculator
Enter Salted Weight
kg
Take salted Weight (all % based on salted weight)
Base Weight: 0 kg
Presoaking and Main Soaking
Amount
Name of the chemicals
Runtime
% (0 kg)
0 g
0 g
Water
Run 5 min, stop 20 min, run 30 min
% (0 kg)
0 g
0 g
Wetting agent (LD-600)
Drain, Wash well
% (0 kg)
0 g
0 g
Water
18-22 Hrs. Leave overnight
% (0 kg)
0 g
0 g
Salt
% (0 kg)
0 g
0 g
Preservative (Bushan 40L)
% (0 kg)
0 g
0 g
Soaking enzyme (Pelvit DPH)
% (0 kg)
0 g
0 g
Soda Ash
% (0 kg)
0 g
0 g
Wetting agent (LD-600)
Check pH=8-9 Next morning, Drain, Wash well
Liming
Amount
Name of the chemicals
Runtime
% (0 kg)
0 g
0 g
Water
2/3 Days with regular hawling of 5 min/hr.
% (0 kg)
0 g
0 g
Degreasing Agent
% (0 kg)
0 g
0 g
Liming enzyme
% (0 kg)
0 g
0 g
Liming auxiliary
% (0 kg)
0 g
0 g
Sodium sulphide
Dilute with water and give at least in 2 feed, 4 feed better
% (0 kg)
0 g
0 g
Lime
Drain, wash well, scudding, fleshing
Take pelt weight (all % based on pelt weight)
(Assuming pelt weight is 60% of salted weight)
Pelt Weight: 0 kg
Chemical Wash
Amount
Name of the chemicals
Runtime
% (0 kg)
0 g
0 g
water
20 min.
% (0 kg)
0 g
0 g
Sodium meta bi sulfate
Drain
Deliming
Amount
Name of the chemicals
Runtime
% (0 kg)
0 g
0 g
Water
60 min.
% (0 kg)
0 g
0 g
Ammonium sulfate ((NH4)2SO4)
% (0 kg)
0 g
0 g
Ammonium chloride ((NH4Cl)
% (0 kg)
0 g
0 g
Sodium meta bi sulfate
% (0 kg)
0 g
0 g
Degreasing agent
Check pH = 8.2 – 9 Check cross section with phenolphthalein > colorless Drain
Bating
Amount
Name of the chemicals
Runtime
% (0 kg)
0 g
0 g
Water
60 min.
% (0 kg)
0 g
0 g
Bating agent
% (0 kg)
0 g
0 g
Degreasing agent
Check pH= 7.2 – 8 Drain, Scudding by hand Wash well Check bubble test and thumb test
Pickling
Amount
Name of the chemicals
Runtime
% (0 kg)
0 g
0 g
Water
20 min.
% (0 kg)
0 g
0 g
Salt
% (0 kg)
0 g
0 g
Imprapal CO
% (0 kg)
0 g
0 g
Formic Acid (1:10 dilution)
30 min. (2 feed)
% (0 kg)
0 g
0 g
Sulphuric acid(1:10 dilution)
150 min. (4 feed)
% (0 kg)
0 g
0 g
Hypo
30 min. Check pH= 2.5-2.8 Leave overnight. Next morning run for 15 min.
Chrome Tanning
Amount
Name of the chemicals
Runtime
Add % (0 kg)
0 g
0 g
Water
60 min.
% (0 kg)
0 g
0 g
Chrome Powder
% (0 kg)
0 g
0 g
Remsol OCS
% (0 kg)
0 g
0 g
Chrome powder
60 min.
% (0 kg)
0 g
0 g
Sodium Formate
Add % (0 kg)
0 g
0 g
Water
90 min. (3 feed)
% (0 kg)
0 g
0 g
Sodium bi carbonate (NaHSO4) (1:20 dilution)
% (0 kg)
0 g
0 g
Fungicide (Bushan 30L) (1:5 dilution)
60 min. Check pH=3.2-4.0 Drain out, then pile up.