Send InquiryFused Bubble Alumina
Fused Bubble Alumina Specification
- Application
- Refractory materials
- Product Type
- Fused Bubble Alumina
- Types of Refractories
- High-performance refractories
- Shape
- Rounded bubbles
- Porosity
- Low
- Dimensional Stability
- Excellent at high temperatures
- Strength
- High strength under thermal stress
- Specific Gravity
- 3.5 g/cm (approximate)
- Thermal Conductivity
- Low
- Chemical Composition
- Alumina (Al2O3)
- Color
- White
About Fused Bubble Alumina
Process of Production and Application :
Fused Bubble Alumina is produced by blowing the melt of high purity Bayer process alumina in a controlled atmosphere to produce hollow spheres. Due to its low density and extremely low thermal conductivity fused alumina bubble is ideal for high alumina based insulating bricks and castables.
Technical Specification :
| Index Properties | Type 1 | Type 2 | ||
| Chemical composition (%) | AI2O3 | 98.5 min | 99min | |
| SiO2 | 0.5-1.2 | 0.3 max | ||
| Fe2O3 | 0.1 max | 0.1 max | ||
| Na2O | 0.4 max | 0.4 max | ||
| Packing Density ( g/cm2 ) | 0.5-1.0 | |||
| Damaged rate (%) | < 10 | < 10 | ||
| Refractoriness oC | 1800 | |||
| Particle Size | 5-0.2mm, 0.2-1mm, 1-3mm, 3-5mm, 0.2-0.5mm, 1-2mm, 2-3mm | |||
| Test standard | GB/T3044-89 | |||
| Packing | 20Kg / Plastic Bag | |||
| Usage | Refractories | |||
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More Products in Refractory Minerals Category
White Fused Alumina
Porosity : Very low
Thermal Conductivity : High
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Dimensional Stability : Other, Excellent at high temperatures
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Porosity : Low
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CERAMICS INTERNATIONAL
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