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牌號/指標(biāo) | MgO(%) | C(%) | SiO2(%) | CaO(%) | 體積密度 B.D(g/cm3) | 顯氣孔率(%) Apparent porosity | 常溫耐壓強度(MPa) C.C.S | 燒后線變化(1400℃x2h)% Changes in line after burning |
---|---|---|---|---|---|---|---|---|
底吹供氣磚 | ≥74 | ≥15 | ≥2.90 | ≤4 | ≥35 | |||
出鋼口管磚 | 78-80 | 14-18 | ≥2.90 | ≤3.5 | ≥35 | |||
MZ-92燒鎂磚 | ≥92 | ≥2.92 | ≤18 | ≥60 | -0.2-0 | |||
大面修補料 | ≥80 | 5-10 | ≥2.20(1000℃碳化) | ≤25 | ≥12(1000℃碳化) | |||
出鋼口修補料 | ≥90 | ≥2.40 | ≥5.0 | -1.0-0 | ||||
鎂碳質(zhì)火泥 | ≥90 | 3-6 | 粒度mm≤0.088(≥85%) | |||||
鎂質(zhì)火泥 | ≥96 | ≤2 | 粒度mm≤0.088(≥85%) | |||||
鎂質(zhì)填縫料 | ≥95 | ≤2 | 粒度mm<0.5 | |||||
鎂碳質(zhì)噴補料 | 80-90 | 3-10 | ≤3 | ≥2.10 | ≥15(1600℃) | |||
耳軸噴補料 | 75-90 | ≤6 | 4-15 | ≥2.20 | ≥20(1600℃) | |||
鎂質(zhì)搗打料 | ≥92 | ≤2 | ≥2.20(110℃) | ≤12 | ≥30(1600℃) | |||
鎂碳質(zhì)搗打料 | ≥85 | ≥5 | ≤2 | ≥2.70(1000℃碳化) | ≤12 | ≥12(1000℃碳化) | ||
轉(zhuǎn)爐補爐料 | ≥83 | ≥6 | 2.9 | ≥30 | ||||
快速投補料 | ≥85 | ≥6 | ≥2.30 | |||||
擋渣球(錐) | 3.85-4.35 | ≥100 |