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The Ultimate Chemistry of Color
 
  Leather Dyes  
 
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Acid Orange 142
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
 
Acid Orange 39 (C.I. 40215)
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
Solubility 60oC Rating - 4
Light Fastness 5
Penetration 3
Washing alt. co. wo.
Fastness 3 4 - 5 4 - 5
Perspiration alt. co. wo.
  5 2 2
 
Solubility 60oC 50 gm/lit.
Light Fastness 5
Penetration 2
Washing alt. co. wo.
Fastness 2 - 3 -- --
Perspiration alt. co. wo.
  -- -- --

 

Acid Red 97 (C.I. 22890)
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
 
Acid Red 119
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
Solubility 60oC Rating - 2
Light Fastness 2
Penetration 2
Washing alt. co. wo.
Fastness 1 4 4
Perspiration alt. co. wo.
  1 3 1
 
Solubility 60oC Rating
Light Fastness 3 - 4
Penetration 2 - 3
Washing alt. co. wo.
Fastness 1 -- 2
Perspiration alt. co. wo.
  4 -- 1
 
Acid Red 131
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
 
Acid Red 249 (C.I. 18134)
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
Solubility 60oC 45 gm/lit.
Light Fastness 4
Penetration --
Washing alt. co. wo.
Fastness 2 - 3 -- 4 - 5
Perspiration alt. co. wo.
  4 -- --
 
Solubility 60oC Rating - 3
Light Fastness 4
Penetration 3 - 4
Washing alt. co. wo.
Fastness 2 - 3 -- 4 - 5
Perspiration alt. co. wo.
  4 -- --
 
Direct Red 81 (C.I. 28160)
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
 
Direct Red 239
2% 4%
Full Full
Chrome Chrome
Cow     Sheep
Crust Crust
Solubility 60oC Rating - 3
Light Fastness 3 - 4
Penetration 2
Washing alt. co. wo.
Fastness 1 3 4
Perspiration alt. co. wo.
  2 1 1
 
Solubility 60oC 50 gm/lit.
Light Fastness 2 - 3
Penetration --
Washing alt. co. wo.
Fastness 5 4 5
Perspiration alt. co. wo.
  4 2 - 3 5
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