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EGACID BLUE K

Illustration on wool
      

0,5%

   
 
Characteristic
C. I. Acid Blue 25
C. I. No. 62055
CAS No. 6408-78-2
Chemical Class Anthraquinone dye
 
Properties
Solubility (g/l at 90°C) 20
Levelling 4
Dyeing method - wool I

 

Fastness wool
standard depth 1/25 1/12 1/6 1/3 1/1 2/1
Light Xenotest 3-4 4 4 4-5 5 5-6
  wool
standard depth 1/1
Water 4-5 3 4
Washing 40°C 4 4 4
Perspiration acid 4-5 2 3
Perspiration alkaline 4 2 2-3
Sea water 4-5 2-3 2
Hot pressing dry after 4h 4-5    
Rubbing dry     4-5
Milling alkaline, mild 4-5 2 4-5
Carbonizing 4-5 4-5  
Decatizing 4    
Dry cleaning 4-5    

 

Application possibilities
Wool I 
Wool I
suitable  partially suitable  unsuitable
 
Testing methods
Solubility
The figures express solubility of dye in grams of dissolved dye in one liter  distilled water at 90°C
   
Levelling
The given figures mean:
5 - excellent levelling
4 - very good levelling
3 - good levelling
2 - lower levelling
1 - poor levelling
   
Fastness standards
Light Xenotest ISO 105-B02-1994
Water ISO 105-E01-1994
Washing ISO 105-C03-1989
Perspiration ISO 105-E04-1994
Sea water ISO 105-E02-1994
Ironing ISO 105-X11-1994
Rubbing ISO 105-X12-1987
Milling DIN 54 040
Carbonizing ISO 105-X02-1993
Decatizing ISO 105-E10-1994
Dry cleaning ISO 105-D01-1993
   
The fastness figures in the tables show:
fastness to light other fastness
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 individual values at fastness data mean:
first number - change of shade
second number - staining on undyed adjacent woolen material
third number - staining on undyed adjacent cotton material
 
The figures at carbonizing mean:
first number - change of shade before neutralizing
second number - change of shade after neutralizing
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