South Africa chromite sand processed in China
Chromite sand is used as a highly fireproof sharpener for moulds and cores. Originally from South Africa . The sand is produced by crushing chrome ore and its washing in spiral concentrators, subsequent drying, dust cleaning, screening and sorting as per grain size. Item Unit Index Cr2O3 % 46.0min SiO2 % 1.0max FeO % 26.5max