It is stable in color, strong in coloring force and reliable in quality. CAS: 1317-61-9 Standard of production: standard of public color company 1. Product Overview: blue black and black, strong tinting, high hiding power and good light resistance. 2. specifications: 330. 3. uses: widely used in color cement brick, paint, paint, building materials, rubber, plastics and other fields. 4. storage and transportation conditions: store in dry place, do not damp, avoid high temperature, and isolate from acid-base. According to the above safekeeping conditions, the effective storage period of the unpacked products is six years. 5. packing: 25 kg / bag, plastic lined and paper plastic valve pocket and 1000 kg packing. 6. the use of instructions: In the cement, the proportion of the compound iron black is 2~4%. Mix well and mix well.