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| Chromite sand AFS40-45 AFS45-50 |
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| Cr2O3 |
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| 7440-47-3 |
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Foundry,Steel casting,moulding sand, ladle filling sand,etc.
a) Chemicals
Cr2O3 ≥ 46%
SiO2 ≤ 1.0%
FeO ≤ 26.5%
Cr：Fe ≥1.5：1
MgO ≤ 10%
CaO ≤ 0.3%
Al2O3 ≤ 15.5%
P ≤30 ppm
S ≤30 ppm
Cr/Fe ≥ 1.55：1
b) Physical index:
Mohs Hardness 5.5-6
Melting Point 2180 ℃
Sintering Point ＞1800℃
Specific Gravity 4.0-4.8 g/cm3
Bulk Density (LPD) 2.5-3 g/cm3
Color Black
PH Value 7-9
Thermal conductivity 0.63 W/M•
K
Thermal Expansion Rate（1000℃） 0.6%
Acid Demand Value (ADV) ≤ 5ML
Turbidity(JTU) ≤ 110
Soil content ≤ 0.1%
Moisture ≤ 0.1%
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주조급 크롬광사
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1. High melting point, high sintering temperature
2. Excellent thermal stability
3. High density, high density -
4. Medium Mohs hardness 5.5
5. Strong thermal conductivity
6. Low coefficient of thermal expansion
1.용해점이 높고 소결온도가 높다
2. 우수한 열 안정성
3.고밀도, 고밀도 -
4.중간 모스 경도 5.5
5. 열전도성이 강하다
6. 열팽창 계수가 낮다
Specification：AFS25-35 AFS 25-30 AFS 35-40 AFS 40-45 AFS 45-50 AFS 40-50 AFS45-55 AFS50-55
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| Industrial field |
civil & construction |
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| There are no existing companies to distribute selected chemical product |
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