blue and black. Soluble in water for the navy, and adequate soluble in alcohol to the red light blue. The strong sulfuric acid for dark blue-green, diluted for dark purple. Dye liquid water soluble join strong hydrochloric acid for violet black, precipitation; Add thick sodium hydroxide solution for deep blue.
Standard
|
Acid Resistance
|
Alkali Resistance
|
Light Fastness
|
Soaping
|
Water
|
Fading
|
Stain
|
Fading
|
Stain
|
AATCC
|
|
5
|
5-6
|
3
|
|
4
|
|