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Hard firclay chamotte
Grade index YNS45 YNS44 YNS43 YNS42
AL2O3(%) 45-48 44-47 43-45 42-44
Fe2O3(%) 1.0 1.2 1.5 2.0
K2O+Na20(%) 0.4 0.4 0.4  
CaO+MgO(%) 0.5 0.5 0.5  
TiO2(%) 0.9 0.9 1.0  
(g/cm3) 2.60 2.55 2.50 2.40
(°C;)Refractoriness 1770 1770 1750 1730
LOL(%)< 0.29 0.30 0.30  
(mm)Size(mm) 0-150 0-150 0-150 0-20
or produce all sorts of grainsize according to the needs of customerss


Light weight aggregate
Grade
Index
Item
Chemical Composition (%) Volume of Grain
Strength of tube pressure
Hygroscopicity
Refractoriness
loss of burn
AL2O3 Fe2O3 g/cm3 MPa MPa °C %
Grade A一级 >40.0 <2.50 <1.50 >6.00 <20 >1670 <0.60
Grade B二级 <2.70 <1.60 >6.00 <15

Light burnt bauxite powder
Items AL2O3% Fe2O3% %Soak rate Grain Size
index >44 <2.0 >70 >98%

Magnesial raw material
Brand QM-94 QM-87 QM-80 QM-75
MgO% >94 >87 >80 >75
SiO2% <2 <5 <8 <10
Loss on ignition% <4 <7 <10 <12
Grain Finess -120mesh>97% -100mesh>97%

Magnesial raw material
Brand First Grade Second Grade Third Grade
MgO% >46 >45 >42
SiO2% <2.5 <4.5 <6
CaO% <0.8 <1.0 <4.0
Fe2O3% <0.7 <1.0 <1.0

Magnesium

Others:Compact aggregates
Light weight aggregate
Light burnt bauxite powder

    Mg% Fe% Si% Ni% Cu% Al% Cl% Mn% 总杂质Total impurity%
    >99.95 <0.015 <0.005 <0.001 <0.004 <0.003

    <0.002

    <0.01 <0.05


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