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China
联系人 Mr. Lucas
shixin north road, Hangzhou, Zhejiang
Acid dye, leather dye, Acid black 2(NEGROSINE) for leather
industry
It have threer forms as powder, crystal, grains
CAS: ********6
1) Appearance: Black crystals
2) Light fastness: 5
3) Wash fastness: **5
4) Sweat fastness: 4
5) Seawater fastness: *4
6) Use: Main for leather and wool, silk, wood, paper
Other related acid dyes product:
Acid Yellow*6, *2, *9, *7,
