项 目 \ 牌 号
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GZ-95
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GZ-94
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BG-96A
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BG-96B
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BG-95A
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BG-95B
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Al2O3 % |
≥96
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≥95
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≥94
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≥96
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≥96
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≥95
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≥95
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Fe2O3 % |
≤1.0
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≤1.2
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≤1.4
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≤0.8
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≤1.0
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≤1.2
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≤1.2
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显气孔率 % |
≤22(24)
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≤22(24)
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熔融指数 |
单重<20kg |
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≤0.5
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-
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≤0.7
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-
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单重≥20kg |
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≤0.6
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-
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≤0.7
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-
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常温耐压强度 Mpa |
单重<20kg |
35(30)
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35(30)
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单重≥20kg |
30(25)
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30(25)
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荷重软化温度 KD ℃ |
≥1660
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≥1650
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≥1640
(胶结硅石1620)
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≥1680
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≥1670
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≥1660
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≥1650
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真密度 g/cm3True Density |
≤2.34
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≤2.35
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≤2.34
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≤2.35
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