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Location :: Products -> Leather Tanning -> Anchrome-S

ANCHROME - S
CHEMICAL CHARACTER : Self Basifying Chrome

ANALYTICAL DATA

Cr2O3

:

22

Neutral Salts

:

28% + 1%

pH of 6% Solution

:

3.0  +  0.2

PROPERTIES

ANCHROME-S is a powder easily soluble in cold water and highly soluble in hotwater in the proportion of 1 : 2.

It contains compatible additives to help fast penetration and better exhaustion.

The product is made in such a way as to ensure a high degree of solubility in cold water.

The tanner has the obvious advantage of controlling his masking by the addition of suitable masking agents. The basicity variation from batch to batch is very minimal and one can be assured of a starting material of standard basicity.

APPLICATION

Because of the ease of solubility, this can be used in dry tannage or floatless tannage without any problem. The product could also be dissolved in water in the proportion of 1 : 2 and used for tannages where definite floats are employed. Since they are not masked, the tanner can add the requisite amount of masking agent which has the advantage of controlled and uniform dyeing at the later stage. As such, when used, it gives an optimum bluish green colour and uniform tanning is achieved.

METHOD OF TANNAGE

DRY TANNAGE

Starting Material

:

Pickled pelt

 

Dry Drum

:

8 - 10% Anchrome-S

1 hr

Flood

:

60% Water

1 hr

Final pH

:

3.8 - 4.0  Temp : 45oC - 50oC

 

LIQUOR TANNAGE

Starting material

:

pickled pelt with pickle float 80% with 7Be

Anchrome -S

:

8-10% added in 3 feeds at 3mts. Intervals.

Final pH

:

3.8 - 4.0 Temp : 45oC- 50oC

Advantages

1) Chrome exhaustion is very good.
2) No Basification chemicals required.
3) Saves Time and Labour as no basification process is required.
4) It minimize the Chrome content in the discharged Drum water.

Packing

Available in 25/ 50 kgs. Packings

Packed in Kraft Paper Bags / HDPE Woven bags with an additional inner polythene liner.

(The above procedure outlined is for guidance only and is without obligation)

 
 
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