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| ◎ 产品展示 |
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| 连铸包、精炼包、真空包、中包用耐火材料 |
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项目 指标 |
微膨胀高铝砖 |
铝镁碳砖 |
铝尖晶石碳砖 |
中包上水扣透气砖 |
氮化硅结合碳化硅砖 |
AL2O3 , % |
≥78 |
/ |
/ |
/ |
≥57 |
≥80 |
Sic70 |
AL2O3+MgO , % |
/ |
≥76 |
≥74 |
≥72 |
/ |
/ |
/ |
MgO , % |
/ |
≥14 |
≥12 |
≥10 |
≥16 |
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/ |
C , % |
/ |
≥8 |
≥8 |
≥7 |
≥13 |
/ |
/ |
体积密度, g/cm3 |
≥2.75 |
≥2.90 |
≥2.85 |
≥2.80 |
≥2.70 |
≥2.4 |
≥2.60 |
显气孔率, % |
≤20 |
≤8 |
≤9 |
≤10 |
≤6 |
≤25 |
≤17 |
0.2Mpa荷重软化开始温度, ℃ |
≥1560 |
≥1670 |
≥1630 |
≥1600 |
≥1600 |
/ |
≥1750 |
透气量,μm2, |
/ |
/ |
/ |
/ |
/ |
≥ 200 |
/ |
常温耐压强度, Mpa |
≥70 |
≥55 |
≥45 |
≥40 |
≥40 |
≥40 |
≥120 |
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