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◎ 燒成鎂(鉻)磚(Burned)
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\ 代號 Brand
特性質Properties
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BM95 |
BM9 |
BM8 |
BM7 |
BM6 |
BM5 |
BM4 |
耐火度(SK)
Refractoriness |
>40 |
>40 |
>40 |
>40 |
>40 |
>40 |
>40 |
體密度(g/cm3)
Bulk Density |
≧2.80 |
≧2.80 |
≧2.85 |
≧2.85 |
≧2.90 |
≧2.95 |
≧3.00 |
氣孔率(%)
Apparent Porosity |
≦20 |
≦21 |
≦22 |
≦23 |
≦23 |
≦23 |
≦23 |
耐壓強度(kg/cm2)
Compressive Strength |
≧500 |
≧400 |
≧300 |
≧300 |
≧300 |
≧300 |
≧300 |
荷重耐火度(T2)℃ Refractoriness Under Load |
>1560 |
>1550 |
>1580 |
>1580 |
>1560 |
>1550 |
>1550 |
高溫膨脹率(%)
Expansion at 1000℃ |
<1.3 |
<1.3 |
<1.1 |
<1.0 |
<1.0 |
<0.9 |
<0.9 |
熱傳導率(kcal/m.hr.℃) Thermal Conductivity |
500℃
1000℃ |
4.8
3.6 |
4.8
3.5 |
2.7
2.4 |
2.6
2.3 |
2.2
2.2 |
1.9
1.9 |
1.8
1.8 |
化學成份 (%) Chemical Composition |
MgO
Cr2O3 |
≧95
--- |
≧92
--- |
≧72
≧6 |
≧68
≧8 |
≧60
≧10 |
≧45
≧14 |
≧40
≧20 |
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◎ 化學結合鎂(鉻)磚(Chemical bond)
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\ 代號 Brand
特性質Properties
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UM9 |
UM7 |
UM6 |
UM5 |
UM4 |
耐火度(SK)
Refractoriness |
>40 |
>40 |
>40 |
>40 |
>40 |
體密度(g/cm3)
Bulk Density |
≧2.80 |
≧2.90 |
≧2.95 |
≧3.00 |
≧3.05 |
氣孔率(%)
Apparent Porosity |
≦16 |
≦16 |
≦16 |
≦16 |
≦16 |
耐壓強度(kg/cm2)
Compressive Strength |
≧500 |
≧500 |
≧500 |
≧500 |
≧500 |
荷重耐火度(T2)℃ Refractoriness Under Load |
>1550 |
>1560 |
>1560 |
>1550 |
>1550 |
高溫膨脹率(%)
Expansion at 1000℃ |
<1.3 |
<1.1 |
<1.0 |
<0.9 |
<0.9 |
熱傳導率(kcal/m.hr.℃) Thermal Conductivity |
500℃
1000℃ |
4.8
3.6 |
2.7
2.4 |
2.1
2.1 |
2.0
2.0 |
1.8
1.8 |
化學成份 (%) Chemical Composition |
MgO
Cr2O3 |
≧94
--- |
≧72
≧6 |
≧62
≧10 |
≧50
≧14 |
≧40
≧20 |
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