South Africa chromium minerals grit Chemical Composition of Chromite Sand is: Cr2O3≥46.0% FeO≤26.5% Al2O3≤15.5% SiO≤1.0% MgO≤10.0% CaO≤0.30% Cr/Fe:1.55:1 Physical composition: Appearance:Black Melting poin:2150°C pH:7-9 The amount of the acid≤ 2 ML Percent ...

Zhengzhou Haixu Abrasives Co., Ltd    [Hardware]   [Abrasives]   [2019-06-08 18:07:57 ]

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