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seline;">chromite foundry sand is cr2o3, which has the characteristics of stable volume and high thermal conductivity when the sand is heated.Contact with the molten metal, it not only has good resistance to basic slag, not with ferric oxide and other chemical reactions, and itself has the characteristics of the solid phase sintering, this can be a very good prevent the infiltration of molten metal, avoid to touch sand defects, suitable for all kinds of stainless steel, alloy steel and carbon steel gradually shape the original sand core and coating.
seline;color:#000000;">Available Sizes of HEVI SAND chromite foundry sand
seline;color:#000000;">AFS25-30 AFS30-35 AFS25-35 AFS35-40 seline;">AFS40-45 AFS45-50 AFS50-55 AFS55-60 AFS60-65
seline;color:#000000;">seline;">20-40mesh 20-50mesh 20-60mesh 20-70 mesh 40-70 mesh
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seline;">Chemical Properties of GGG 40 45 50 Foundry sand Chromite sand |
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|
seline;">Item |
seline;">Index % |
|
seline;">Cr2O3 |
seline;">46.0min |
|
seline;">SiO2 |
seline;">1.0max |
|
seline;">FeO |
seline;">26.5max |
|
seline;">CaO |
seline;">0.30max |
|
seline;">MgO |
seline;">10.0max |
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seline;">Al2O3 |
seline;">15.5max |
|
seline;">P |
seline;">0.003max |
|
seline;">S |
seline;">0.003max |
|
seline;">Cr/Fe |
seline;">1.55 / 1 |
