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KOROSTAN BROWN DGR

Illustration on box calf / on suede split
      

1%

   

6%
 
Characteristic
C. I. Acid Brown 235
CAS No. -
Chemical Class Azodye
 
Properties
Solubility (g/l at 90°C) 45
Dye penetration 3
Fastness box calf suede split
  1 % 6 %
Light Xenotest 3 3-4
 
Water 5 4 4-5
Washing 40°C 5 3 4
Perspiration 3 1-2 3

 

Application possibilities  
box calf  suede split 

Neutralizing:

200 % water 36°C

1 % NaHCO3

45 min

 

Dyeing:

200 % water 60°C

1 % dye

45 minut

4,5 % Likorol V

30 min

Wetting:

1000 % water 55°C

2 % NH3

0,2 % Alfonal K

120 min

washing 

Dyeing:

1000 % water 60°C

2 % NH3

6% dye

60 min

3,6 % HCOOH 85%

30 min

  suitable unsuitable  
 
Testing methods
Fastness standards
Light Xenotest ISO 105-B02-1994
Water ISO 105-E01-1994
Washing 40°C ISO 105-C01-1989
Perspiration ISO 105-E04-1994
   
The fastness figures in the tables mean:
fastness to light other fastness properties
1 - very poor 1 - poor
2 - poor 2 - moderate
3 - moderate 3 - fairly good
4 - fairly good 4 - good
5 - good 5 - very good
6 - very good  
7 - excellent  
8 - unsurpassed  
   
The numbers at individual dye fastness data mean:
First number - change in shade
Second number - staining on the adjacent undyed cotton fabric
Third number - staining on the adjacent undyed wool fabric
   
Dye penetration  
1 - does not penetrate  
2 - penetrates poorly  
3 - penetrates satisfactorily  
4 - penetrates well  
5 - penetrates very well  
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