-200# 200F 200# 46% cr2o3 chromite foundry sand powder chromite flour
46% min Cr2O3
1.0% max SiO2
200mesh passing rate 90% MIN
-200# 200F 200# 46% cr2o3 chromite foundry sand powder chromite flour
46% min Cr2O3
1.0% max SiO2
200mesh passing rate 90% MIN
Zhengzhou Haixu Abrasives Co., Ltd, founded in 1999, owning 20 years of production experience and an experienced sales team, specified in production of South Africa chromite sand.