low iron dolomite sand for glass making 8-120mesh CaO>30% MgO>20% Fe2O3

Product Details

Product Description

Product Description
dolomite
Main ingredients and contents：
CaO≥30.0％，
MgO≥20.5％，
Fe2O3≤0.015％，
Al2O3≤0.2％，
fineness: 8-120 mesh
It is used for glass making.

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