Acid Black 52 CAS NO.5610-64-0

Appearance Black brown even powder Chemical family Monoazo , metal Complex Acid Dyes Dyeing ProcessPut the pretreated woolen cloth …

Appearance Black brown even powderChemical family Monoazo , metal Complex Acid Dyes Dyeing ProcessPut the pretreated woolen cloth in the dyeing liquor and then put them into the dyeing machine. Swith on the dyeing machine for running of dyeing. Raise the temperature to 70°C for running for 5 minutes, then raise the temperature gradually to 100°C within 6o minutes and continue dyeing for 90 to 120 minutes. Lower the temperature to 50°C. Rinse with water and add 2ml soda for soaping, then rinse again with water and dry by heating. ApplicationAcid Complex Black WAN is mainly used for dyeing of wool, natural silk, leather and polyamide fibers, also used for coloring electrified aluminum. Storage & TransportStored in a dry and well-ventilated place and avoid direct exposure to the sun. Avoid heat and moisture. Handle with care.