2025 China Market Price of Chromite Sand AFS 45 55 40-45 325mesh 400# 600# 800# 2000# chrome powder
Brief production of foundry chromite sand for sale 46min CR2O3 2025 price of chromite sand
Chromite foundry sand, Originally from South Africa (SAMANCOR),is a special kind of sand for casting , chromite sand is a natural spinel mainly composed of chromite ,
Chromite foundry sand used as a highly fireproof sharpener for moulds and cores.
Chrome ore sand,It’s main chemical composition is Cr2O3, This kind of sand heating volume is stable , High thermal conductivity , sand molten metal contact , not only has a good alkali slag resistance , not with iron oxide and other chemical reaction , and itself has the characteristics of solid phase sintering , can well prevent the penetration of molten metal , avoid sand defects .
Chemical Properties | |
Item | Index % |
Cr2O3 | 46.0min |
SiO2 | 1.0max |
FeO | 26.5max |
CaO | 0.30max |
MgO | 10.0max |
Al2O3 | 15.5max |
P | 0.003max |
S | 0.003max |
Cr/Fe | 1.55 / 1 |
Physical Properties | |
Bulk Density | 2.5-3 g/cm3 |
Color | Black |
PH | 7-9 |
The amount of the acid | 2ML(MAX) |
Percent Soil | 0.1% max |
Percent Moisture | 0.1% max |
The Sintered Point | 1600 C |
Filling Density | 2.6 g/cm3 |
Sintering Point | 1800 C min |
Melting Temperature | 2180 C |
Percentage of Free Acid Present in the Sand | 0 |
SIZE OF Chromite sand foundry
Available Size: AFS35-40, AFS40-45, AFS45-50,AFS45-55,AFS50-55, AFS55-60, AFS60-65
Application of Chromite sand foundry
Chromite sand foundry is used as a highly fireproof sharpener for moulds and cores.
Chromite sand foundry is suitable for all kinds of molding (core-making ) sand, stainless steel , Alloy steel and carbon steel gradually modeling core sand and paint .
