型号Item
|
TY-GM5
|
|||
Special标准值
|
Typical典型值
|
|||
化学指标Chemical
Composition % |
Al2O3
|
71-74
|
73
|
|
ZrO2
|
4.5-6
|
5.5
|
||
SiO2
|
17-20
|
19
|
||
Na2O
|
≤1.0
|
1.0
|
||
Others
|
≤0.5
|
1.5
|
||
显气孔率Apparent Prosity (%)
|
5-8
|
<8
|
||
密度True density g/cm3
|
≥3.0
|
3.54
|
||
抗压强度Cold Crushing Strength Mpa
|
≥250
|
350
|
||
高温耐压强度Hot Crushing Strength 1300℃ Mpa
|
|
45
|
||
线性膨胀Line Expansion 1150℃ %
|
|
0.8
|
||
导热系数Thermal conductivity 1250 ℃: W/MK
|
|
4.6
|
||
体积密度Bulk Density (g/cm3)
|
普通浇铸PT(RN)
|
|
≥3.0
|
|
无缩孔浇铸WS(VF)
|
|
≥3.2
|
||
晶相分析Crystallographic analysis %
|
Corundum
|
38
|
||
Mullite
|
40
|
|||
Glass Phase:
|
17
|
|||
Baddeleyite
|
5
|
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