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项 目 \ 牌 号
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Al2O3-C质
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刚玉质
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复合棕刚玉质
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复合莫来石质
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莫来石质
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粘土质
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高铝质
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AC-12
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SAC-12
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GY-97
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BF-90XD
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BF-90ZG
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AS-14
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AS-9
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ZGM-80
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GM-80
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MZ-70S
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MZ-60S
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CZGN-42
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GLS-70
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GLL-65
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| Al2O3 % |
≥60
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≥60
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≥97
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≥90
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≥90
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≥78
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≥75
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≥80
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≥80
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≥70
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≥60
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≥45
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≥70
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≥65
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| Fe2O3 % |
C≥12
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C≥12
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≤0.3
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≤0.3
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≤1.0
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≤1.0
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≤1.0
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≤1.0
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≤0.4
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≤1.0
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≤1.0
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≤1.2
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≤1.5
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≤2.0
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耐火度 ℃ |
sic≥14
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sic≤9
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≥1750
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≥1790
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≥1790
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显气孔率 % |
≤10
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≤15
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≤21
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≤17
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≤14
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≤16
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≤15
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≤14
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≤16
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≤16
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≤15
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≤13
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≤17
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≤19
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| 体积密度 g/cm3 |
≥2.85
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≥2.85
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≥2.9
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≥3.0
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≥2.9
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≥2.9
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≥2.5
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≥2.6
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| 常温耐压强度 Mpa |
≥40
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≥50
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≥60
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≥60
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≥100
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≥80
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≥120
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≥70
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≥70
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≥60
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≥60
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≥58.8
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≥60
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≥60
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| 荷重软化温度T2 ℃ |
≥1650
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≥1650
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≥1700
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≥1700
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≥1650
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≥1700
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≥1700
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≥1700
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≥1700
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≥1700
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≥1600
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KD≥1500
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≥1600
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≥1550
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| 重烧线变化率 % |
常温抗折
≥15 |
常温抗折
≥12 |
1600℃×2h
0~ -0.2 |
1600℃×2h
±0.2 |
1500℃×2h
±0.2 |
1500℃×2h
±0.2 |
1500℃×3h
0~+0.2 |
1600℃×2h
0~ -0.2 |
1600℃×2h
0~ -0.2 |
1600℃×2h
0~ -0.2 |
1500℃×2h
±0.2 |
1450℃×3h
0~ -0.2 |
1500℃×2h
0~ +0.2 |
1500℃×2h
0~ +04 |
| 热震稳定性,次 (1100℃ 水冷) |
≥100
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≥15
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≥15
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≥8
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| 抗铁水侵蚀性 % |
≤2
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优
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| 抗渣性 % |
≤2
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| 耐碱性(强度降低) % |
≤10
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≤15
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| 用 途 |
炉腰、炉身
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炉身、炉腹、炉腰
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炉缸
陶瓷杯 |
炉底
陶瓷垫 |
炉底、炉缸
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炉底
炉身 |
炉缸
炉底 |
炉腰、炉腹、
冷却壁
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