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Home » Products » Unshaped Refractory Materials » Refractory Castable » Corundum Based Refractory Castable

Corundum Based Refractory Castable

Technical Indicators of Corundum Based Refractory Castable

Product number SC-180 SC-18S SC-180F (explosion proof type) SC-185 SC-18SS SC-180S
Properties
Chemical composition (%) Al2O3 ≥94 ≥90 ≥94 ≥93 ≥90 ≥93
SiO2 ≤0.5 ≤5 ≤0.5 ≤5 ≤4 ≤0.5
Fe2O3 ≤0.5 ≤0.5 ≤0.5 ≤0.1    
Refractoriness (ºC) 1700 1650 1700 1650 1650 1700
Bulk density (g/cm 3) (110ºC*24h ) ≥2.9 ≥3.0 ≥2.8 ≥3.0 ≥2.9 ≥2.9
Linear expansion rate (%) (1100ºC*3h) 0.1~0.5 ﹣0.1~﹣0.5 0.1~0.5 ﹣0.1~﹣0.5 0~﹣0.4 (1100℃*3h) 0~﹣0.3 (1100℃*3h)
Fracture resistance (Mpa) 110℃*24h ≥80/ ≥8 ≥90/ ≥10 ≥70/ ≥7 ≥100/ ≥10 ≥80/ ≥ 10 ≥70/ ≥7
1100℃*3h ≥100/ ≥12 ≥100/ ≥15 ≥90/ ≥10 ≥110/ ≥12 ≥110/ ≥20 ≥100/ ≥15
1500℃*3h ≥120/ ≥20 ≥150/ ≥20 ≥100/ ≥15 ≥140/ ≥20    
Maximum grain size (mm) 5~8 5~8 5~8 5~8 3 3
Water consumption (%) (weight ratio) 5~6.5 5~6 5.5~7 4~5 6~8 5.5~7.5
Applications Large scale cement kiln outlet, three channel coal burner, etc. Large scale cement kiln outlet, cooling machine elbow Large scale cement kiln outlet Large scale cement kiln crown, chamber, outlet, coal burner, etc. Abrasive lining of cyclone separator of oil catalytic cracking unit Abrasive lining of cyclone separator of oil catalytic cracking unit
Inspection standard YB/T5202-2003
Packaging 25kg plastic woven bag with inner film

Related Names
High Alumina Based Castable Refractory | Unshaped Refractory Material

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