长期采购耐火级铬精矿,块矿,要求
chrome concentrate:
Cr2O3 54%min
CR: FE 3:1min
SiO2 1.5%max
SIZE 0-5mm with 90% min,
hard lumpy chrome ore
Cr2O3 50%min
CR: FE 3:1min
SiO2 3.5%max
Fe2O3 16%max
SIZE 10-250 mm with 85% min,
below 10mm 15% max
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