Nigrosine Oil Soluble (Solvent Black 7)
Black Fine Powder with Less Ash, Free Aniline less than 0.5%, Good color stability can help to improve your product performance and save production cost.
Nigrosine Water Soluble (Acid Black 2)
Black crystal /powder shining form with High Purity and Concentration. Less Ash. High Dispersion which can decrease the manufacture Cost.
Nigrosine Alcohol Soluble (Solvent Black 5)
Black Fine Powder with High Concentration, Good Dispersion can excellence your product Performance.
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Basic introduction for paper dyes
Instructions for use of solvent dyes
What is principle and application of basic dyes?
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