Chromite sand introduction

Foundry Grade Chromite Sand for Metalcasting

The chromite sand is a product of south africa natural chromite ore after crushing and sieving, and its main chemical composition is Cr2O3.

*Melting point of 2150°C

*Good thermal conductivity

*Good resistance to thermal shock

*Excellent resistance to metal penetration or burn-on

*Resists slag attack

*High dimensional stability

Avaliable size:AFS30-35 AFS35-40AFS40-45 AFS45-50 AFS50-55 AFS55-60 AFS60-65

Place of origin: South Africa

Chromite sand physical and chemical index

Chromite sand application

*Chromite Sand in the glass industry

Item	Index
Cr2O3	≥46.0%
SiO2	≤1.0%
FeO	≤26.5%
CaO	≤0.30%
MgO	≤10.0%
Al2O3	≤15.5%
P	≤0.003%
S	≤0.003%
Cr/Fe	1.55:1
Bulk Density	2.5-3g/cm³
Color	Black
PH	7-9
The amount of the acid	≤ 2 ML
Percent soil	≤0.1%
Percent Moisture	≤0.1%
The sintered	1600℃
Percentage of free acid present in the sand	0%
filling density	2.6g/cm³
sintering point	> 1800°C
melting temperature	2180 °C

Foundry Grade Chromite Sand for Metalcasting