牌号/指标 | MgO(%) | C(%) | SiO2(%) | CaO(%) | 体积密度 B.D(g/cm³) | 显气孔率(%) Apparent porosity | 常温耐压强度(MPa) C.C.S | 烧后线变化(1400℃x2h)% Changes in line after burning |
---|---|---|---|---|---|---|---|---|
底吹供气砖 | ≥74 | ≥15 | ≥2.90 | ≤4 | ≥35 | |||
出钢口管砖 | 78-80 | 14-18 | ≥2.90 | ≤3.5 | ≥35 | |||
MZ-92烧镁砖 | ≥92 | ≥2.92 | ≤18 | ≥60 | -0.2-0 | |||
大面修补料 | ≥80 | 5-10 | ≥2.20(1000℃碳化) | ≤25 | ≥12(1000℃碳化) | |||
出钢口修补料 | ≥90 | ≥2.40 | ≥5.0 | -1.0-0 | ||||
镁碳质火泥 | ≥90 | 3-6 | 粒度mm≤0.088(≥85%) | |||||
镁质火泥 | ≥96 | ≤2 | 粒度mm≤0.088(≥85%) | |||||
镁质填缝料 | ≥95 | ≤2 | 粒度mm<0.5 | |||||
镁碳质喷补料 | 80-90 | 3-10 | ≤3 | ≥2.10 | ≥15(1600℃) | |||
耳轴喷补料 | 75-90 | ≤6 | 4-15 | ≥2.20 | ≥20(1600℃) | |||
镁质捣打料 | ≥92 | ≤2 | ≥2.20(110℃) | ≤12 | ≥30(1600℃) | |||
镁碳质捣打料 | ≥85 | ≥5 | ≤2 | ≥2.70(1000℃碳化) | ≤12 | ≥12(1000℃碳化) | ||
转炉补炉料 | ≥83 | ≥6 | 2.9 | ≥30 | ||||
快速投补料 | ≥85 | ≥6 | ≥2.30 | |||||
挡渣球(锥) | 3.85-4.35 | ≥100 |