Basic Chromium Sulphate Mainly for tanning, production activity black dye, ceramics, green fabric dyeing and printing inks. production name :Basic Chromium Sulphate,chrome tanning agent,chromium sulphate basic Date Sheet Items Specification I II Cr2O3 %24--2621--23Basicity %32--3438--42Fe %,0.10.1Water insoluble matter %.≤0.10.1 Basic Chromium Sulphate bascity 33%