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材质
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高铝质
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刚玉质
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型号
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化学成分/%
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AL2O3
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60
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65
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70
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89
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90
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CaO
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1.8
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1.7
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1.7
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1.9
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2.0
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耐压强度/Mpa
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110℃
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42
|
43
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55
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45
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50
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1000℃
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55
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60
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63
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61
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65
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1500℃
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64
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80
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95
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82
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80
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抗折强度/Mpa
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110℃
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6.1
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6.4
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8.1
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6.0
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6.4
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1000℃
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8.0
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8.1
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9.5
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8.0
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8.3
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1500℃
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12
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13
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13
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10
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11
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烧后线变化/%
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1500℃
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1-+0.8
(1400℃)
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0-+1.0
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0-+1.0
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±0.3
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±0.4
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体 积 密 度/g.cm-３
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2.5
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2.6
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2.7
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3.0
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3.1
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