South Africa Cr-Sand AFS45-50 AFS45-55 AFS50-55
South Africa Cr-Sand AFS45-50 AFS45-55 AFS50-55is a kind of foundry sand with high refractoriness. The content of chromium oxide of casting chromite sand should be at least 46%. That will get high Solid-phase sintering temperature. Chrome ore sand is especially featured with its high thermal conductivity. It can not only make the casting steel cool quickly, but also prevent casting iron& steel from sand-sticking.
Features：
Chemical:
Cr2O3≥ 46%
SiO2≤ 1.0%
FeO≤ 28%
Cr:Fe≥1.5:1
MgO≤ 10%
CaO≤ 0.3%
Al2O3≤ 15.5%
P≤30 ppm
S≤30 ppm
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