Bubble Alumina
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Product Introduction
Product Details
Bubble alumina
Bubble alumina is made of industrial aluminum oxide after melting and rapid blowing,it is characterized by light weight,closed hole,high temperature resistance.It is the ideal heat insulation filling material for high temperature furnace,and also the high-quality aggregate for high temperature lightweight refractory brick and castable.
Physical Properties and Chemical Composition
| Index | Guarantee value | Typical value | |
Chemical component (%) | AL₂O₃ | ≥99 | 99.34 |
| SiO₂ | ≤0.2 | 0.15 | |
| Fe₂O₃ | ≤0.1 | 0.06 | |
| Bulk density(g/cm³) | 0.5-1.0 | 0.75 | |
| Percentage of broken(%) | ≤15 | 12 | |
| Fie resistance temperature(C) | 1800 | ||
| Particle size | 0.2~0.5mm、0.5~1mm、1~3mm、3~5mm | ||
| Inspection standard | GB/T3044-89 | ||
| Application | High temperature lightweight castable and high temperature furnace insulation filler | ||
| Packing | 25KG/small bag,1000KG/jumbo bag(can be customized according to customer requirements) | ||
Keywords:
Bubble Alumina
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