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Bubble Alumina

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Bubble Alumina
Bubble Alumina
Bubble Alumina
Bubble Alumina
Bubble Alumina
Bubble Alumina

Bubble Alumina

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Bubble Alumina manufacture
Raw material  
Its main raw material is high quality alumina powder.
 
Processing
After melting through the electric arc furnace, blowing and instantaneously cooling in air.
 
Advantages
1.light weight, closed hole and high temperature resistance
2.high mechanical strength, which is several times higher than general light products
3.its bulk density is the half of corundum products
 
  Guarantee value Typical value
Al₂O₃ ≥99 99.34
SiO₂ ≤0.2 0.15
Fe₂O₃ ≤0.1 0.06
Bulk density(g/cm3) 0.5-1.0 0.75
Broken rate(%) ≤15 12
Refractoriness (℃) 1800
Particle size 0.2-1mm,1-2mm,2-3mm,3-5mm
Test standard GB/T3044-89
Package 25kg/bag or as customers’ requirements
 
Applications
1) It is the ideal heat-insulated filler for high temperature furnaces,such as petrochemical industrial gasifier, carbon black industrial reactors, metallurgical industrial induction furnace and other high temperature, ultra-high temperature furnace.
2) high quality aggregate for high temperature light refractory castable. 
3) various shapes of insulation products, bubble alumina bricks.
Bubble Alumina manufacture

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