Gunning mix

Description

ItemFH-140FN-130FLN-130MS-1FL-SXA-1XA-2
Chemical composition, %Al2O3≥45≥40≥35≥50-≥60≥70
CaO---≥0.5---
MgO-------
Refractoriness, ℃≥1610≥1530-≥1530-≥1730≥1790
Density, g/cm3, ℃×3h1400℃×3h
≥1.9
1400℃×3h
≥1.65
1300℃×3h
≥1.4
1300℃×3h
≥2.1
1100℃×3h
≥1.3
1300℃×3h
≥2.3
1300℃×3h
≥2.5
Crushing strength, MPa≥24≥19≥14--≥39≥30
Modulus of rupture110℃×24h≥5.5≥3.5≥2.5≥2.9≥1.4≥6.5≥3.5
Hot state1400℃
≥0.98
1300℃
≥0.98
1400℃
≥0.45
1400℃
≥0.98
after acid treatment
≥1.9
after acid treatment
≥1.9
1300℃
≥0.8
Permanent linear change1400℃×3h
±1.0
1300℃×3h
±1.0
1300℃×3h
±1.0
1300℃×3h
±1.1
800℃×3h
±1.0
1300℃×3h
≥1.0
1300℃×3h
≥1.0
Thermal conductivity W/(m·K)-1300℃
0.5-0.7
350℃
0.25-0.4
-350℃
≥0.27
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