項目(ITEM)
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牌號(GRAND)
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GZ-96
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GZ-95
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GZ-94
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SiO2 ≥
|
96
|
95
|
94
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Fe2O3 ≤
|
1.0
|
1.2
|
1.4
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顯氣孔率 % ≤
App.
Porosity %
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22(24)
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常溫耐壓強度/MPa≥
C.C.S./MPa≥
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單重<20kg
Unit weight <20kg
|
35(30)
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單重≥20kg
Unit
weight ≥20kg
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30(25)
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0.2MPa荷重軟化開始溫度/℃
0.2MPa Refractoriness under Load /℃
|
1660
|
1650
|
1640
(膠結(jié)硅石 binder silica
1620)
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真密度(g/cm3)≤
Real
Density(g/cm3)≤
|
2.34
|
|
2.35
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注:括號內(nèi)數(shù)值為手工成型磚
Note :
the data in bracket is for the handcraft brick
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