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| ◎ 产品展示 |
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| 玻璃窑用轻质保温砖 |
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| 项目 指标 |
粘土质 |
高铝质 |
高铝聚轻质 |
硅质 |
莫来石质 |
硅藻土砖 |
| 0.5~1.3 |
0.6~1.0 |
0.8~1.0 |
0.8~1.0 |
1.0~1.2 |
0.8 |
| Al2O3 (%)≥ |
48 |
48 |
65 |
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70 |
≤16 |
| Fe2O3 (%)≤ |
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≤1.5 |
≥5.0 |
| SiO2 (%)< |
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≥88~91 |
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≥70 |
| CaO(%) |
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≥2.0 |
| MgO(%) |
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≤2.0 |
| 体积密度,g/cm3 ≥ |
0.8~1.3 |
0.6~1.0 |
0.8~1.0 |
0.8~1.0 |
1.0~1.2 |
0.8 |
| 常温耐压强度,Mpa |
2.5~3.0 |
3.0~4.0 |
3~7 |
1.8~2.0 |
5.0~6.0 |
≥2.0 |
| 荷重软化温度, ℃ |
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≥1400 |
≥1400 |
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| 重烧线变化率,%( ℃×h) |
1250~1350 ±2 |
1400 ±2 |
1450 ±2 |
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0.2 |
| 热膨胀率(%) |
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| 导热系数1000℃ |
0.35~0.5 |
0.5 |
0.5 |
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0.6~0.7 |
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| 耐火度,℃ |
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≥1280 |
| 显气孔率% |
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≥75 |
| 产品特点 |
荷重软化点高,隔热,保温节能,热稳定性好,抗冲刷,耐侵蚀。 |
| 用途 |
广泛应用于冶金、建材、石油、化工、玻璃窖炉等行业。 |
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