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Acid black 220 100%

Product name: Acid black 220 100%
CAS: 152287-07-5
Water insolubles: 0.2% or less
Dust tightness: 3 grade & above
Fineness: Residue on 80mesh sieve≥99%
Packing: 25KG carton or following your demands
Appearance is black powder, mainly used in the dyeing of real silk, nylon and acrylic fabrics. It is one kind of non-mental, non-narcotic, non-flammable, non-precursor chemicals; it isn't the material of chemical weapons non-toxic. Non-hazardous chemicals .