Product Name: Direct Black 173C.I. No.: 31560/31565CAS No.:
8003-62-1Molecular Formula: C32H23N9Na2O7S2Molecular Weight:
755.69Shade: Black. Relative Name:Direct Black D-HR;
Direct Direct Black 173 Physical Properties and light fastness,
solubility.
Direct Black 173Dyeing
depth %2Insolubles %0.15Light Fastness3Washing Fatness1-2Rubbing
fastness(dry)4Rubbing fastness(wet)3Direct Direct Black 173
Properties:black. Black uniform powder. Soluble in water for red
light black, soluble in soluble fiber element, slightly soluble in
alcohol, insoluble in other organic solvents. In the dark for the
strong sulfuric acid to navy, diluted dark red light for blue or
black; In nitric acid solution for red; In strong hydrochloric acid
slightly soluble in, red to grey. The dye solution to join strong
micro red sodium hydroxide solution. Application:Mainly used
for cotton, hemp, such as glue of cellulose fiber dyeing, also
suitable for silk, polyamide fiber dyeing. Especially suitable for
wool/stick blended fabric dyeing a bath. Note: The data
contained here are based on our current knowledge and experience.
It is the responsibility of user to test our products before the
final applicationEXHIBITIONS PHOTOS:FACTORY PHOTOS:/* March 10,
2023 17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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