Product Description
40-45% Alumina Bricks |
PRODUCT: |
AC 40 |
AC 40 S |
AC 45 |
AC 45 S |
AC 42 D |
TYPE: |
40% Alumina Bricks |
40% Alumina Bricks |
45% Alumina Bricks |
45% Alumina Bricks |
42% Alumina Bricks |
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NATURE OF BOND: |
CERAMIC |
CERAMIC |
CERAMIC |
CERAMIC |
CERAMIC |
SHAPING: |
DRY PRESSED |
DRY PRESSED |
DRY PRESSED |
DRY PRESSED |
DRY PRESSED |
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GENERAL PROPERTIES |
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RAW MATERIAL BASE: |
BRICK GROG |
BRICK GROG |
BRICK GROG |
CALCINED CLAY |
CALCINED CLAY |
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CALCINED CLAY |
CALCINED BAUXITE |
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MAX.SERVICE TEMP: |
1400 °C |
1450 °C |
1400 °C |
1450 °C |
1480 °C |
REVERSIBLE TH. EXP. |
0.55%at 1000 °C |
0.55%at 1000 °C |
0.55%at 1000 °C |
0.55%at 1000 °C |
0.55%at 1000 °C |
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CHEMICAL ANALYSIS, % |
TY |
SPE |
TY |
SPE |
TY |
SPE |
TY |
SPE |
TY |
SPE |
Al2O3 |
41.00 |
40.00min |
41.00 |
40min |
46.00 |
45.00min |
46.00 |
45min |
45.00 |
42.00min |
SiO2 |
52.70 |
- |
53.50 |
- |
47.00 |
- |
48.60 |
- |
50.60 |
- |
Fe2O3 |
2.80 |
3.00max |
2.10 |
2.2max |
3.00 |
3.50max |
1.85 |
2.00max |
1.25 |
1.50max |
Tio2 |
2.90 |
- |
2.80 |
- |
3.20 |
- |
3.00 |
- |
2.60 |
- |
Cao |
0.30 |
- |
0.30 |
- |
0.50 |
- |
0.30 |
- |
0.20 |
- |
P2O5 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
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PHYSICAL PROPERTIES |
TY |
SPE |
TY |
SPE |
TY |
SPE |
TY |
SPE |
TY |
SPE |
Bulk density, g/cc |
2.28 |
2.20 |
2.22 |
2.20 |
2.28 |
2.25 min |
2.28 |
2.25min |
2.32 |
2.30min |
APPARENT POROSITY,% |
21.00 |
22max |
20.00 |
22max |
20.00 |
22 max |
18.00 |
21 max |
15.00 |
16 max |
COLD CRUSHING STRENGTH, kg/cm2 |
370 |
350min |
390 |
350min |
450 |
400 min |
380 |
350 min |
650 |
600 min |
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THERMAL PROPERTIES |
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TY |
SPE |
TY |
SPE |
TY |
SPE |
TY |
SPE |
TY |
SPE |
Refractoriness, Orton/ ° C |
32/1717 |
32/1717 |
33/1743 |
33/1743 |
32(1/2)/1724 |
32/1717 |
33/1743 |
33/1743 |
+34/1763 |
34/1763 |
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min |
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min |
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min |
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min |
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min |
RUL,Ta°C at 2 kg/cm2 Load |
1420 |
1400min |
1450 |
1450min |
1420 |
1400min |
1460 |
1450min |
1490 |
1480min |
PLC,% |
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after heating at 1350°C/3 hrs |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
after heating at 1400 °C/3 hrs |
-0.30 |
±0.80 max |
- |
- |
-0.55 |
±1.00max |
- |
- |
- |
- |
after heating at 1450 ° C /3hrs |
- |
- |
-0.45 |
±0.60max |
- |
- |
-0.55 |
±0.80max |
-0.13 |
±0.20max |
after heating at 1500 °C/2 hrs |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
after heating at 1550 °C/2 hrs |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
after heating at 1600 °C/2 hrs |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
Thermal Conductivity,Kcal/m /hr/°C |
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At 400 ° C HF |
0.82 |
- |
0.80 |
- |
0.91 |
- |
0.90 |
- |
0.93 |
- |
At 600 ° C HF |
0.86 |
- |
0.85 |
- |
0.94 |
- |
0.93 |
- |
0.96 |
- |
At 800 ° C HF |
0.89 |
- |
0.88 |
- |
0.97 |
- |
0.97 |
- |
0.98 |
- |
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SIZE TOLERANCE: |
±1.5% or ±2mm |
±1.5% or ±2mm |
±1.5% or ±2mm |
±1.5% or ±2mm |
±1.5% or ±2mm |
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