1) Basic chromium sulfate [Cr(OH)SO4]: 25.5-26 pct
2) Schorlemmer basicity: 33-34 pct
3) Water insoluble: 0.10 pct max
4) ...

Major indexes of industrial grade:     

1) Basic chromium sulfate [Cr(OH)SO4]:      Cr2O3(%):25.5-26 pct

2) Schorlemmer basicity:       Basicity(%):33-34 pct

3) Water insoluble: 0.10 pct max

4) Ferric (Fe): 0.10 pct max

5) PH value: 10

Packing: 25kg/bag, or in terms of customer's requirement.