China 21-23% BCS Chromium Sulphate for Leather Tanning, Find details about China Chromium Sulphate, BCS 21-23% from 21-23% BCS Chromium Sulphate for Leather Tanning
Item | Standard |
Cr2O3 | 24%--26% min |
Basicity | 32%--34% max |
Fe | 0.1% max |
Water insoluble | 0.1% max |