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EGACID YELLOW R

Illustration on wool / on polyamide
      

1,0%

   

1,3%
 
Characteristic
C. I. Acid Yellow 25
C. I. No. 18835
CAS No. -
Chemical Class Azodye
 
Properties
Solubility (g/l at 90°C) 30
Levelling 3-4
Dyeing method - wool I, II
Dyeing method - polyamide V

 

Fastness wool polyamide
standard depth 1/25 1/12 1/6 1/3 1/1 2/1 1/3 1/1
Světlo Xenotest 4D 4D 5D 5D 6D 6-7D 5-6 6
  wool
standard depth 1/1
Water 4RD 4-5 4-5
Washing 40°C 4DW 4-5 4-5
Perspiration acid 4-5 4-5 4-5
Perspiration alkaline 4-5 4 4-5
Sea water 4DW 4-5 4-5
Hot pressing dry after 4h 4-5    
Rubbing dry     4-5
Milling alkaline, mild 4DW 4-5 5
Carbonizing 4-5D 4-5  
Decatizing 5    
Dry cleaning 4-5    
  polyamide
standard depth 1/1
Water 4-5 4-5 4-5
Washing 40°C 4-5 5 5
Washing 60°C 4 5 5
Sea water 4 4 4
Swimming bath water 4    
Hot pressing dry after 4h 4R   5
Perspiration acid 4-5 4 4
Perspiration alkaline 4-5 4 4
Rubbing dry     5
Nitrogen oxides 4R    
Dry heat 150°C 4-5 5 5

 

Application possibilities
Wool I 
Wool I
Wool II
Vlna II
Polyamide V
Polyamid V
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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