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Bubble Alumina

Product Name:Bubble Alumina

Index

Specification

Particle size range

Chemical composition

Al₂O₃ 

Specific gravity (g/cm³)

Porosity rate

Compressive strength (MPa)

Bubble Alumina

1–3mm

≥98% Al₂O₃

≥98%

1.30–1.40

50–65%

≥200

Ultra-fine Bubble Alumina

0.1–1mm

≥99% Al₂O₃

≥99%

1.35–1.45

60–70%

≥250


Product Description


Bubble alumina Spheres are advanced lightweight materials made from high-quality bauxite.



They possess low density, high strength, and excellent resistance to high temperatures and chemical corrosion.



Their hollow structure gives them unique advantages, such as good thermal insulation and a larger specific surface area, making them ideal for use in refractory materials and adsorbents.

 


Bubble alumina are produced using precise sintering techniques, resulting in a uniform and stable structure.



Depending on the specific application requirements, these spheres can be produced in various sizes and compositions to meet the needs of different industries.


Application Area

Applications:



l  Lightweight Aggregate: Used in high-temperature furnace linings and refractory insulation materials, 

                                              as well as in the production of lightweight concrete and refractory bricks, 

                                              especially in the construction materials and high-temperature industries.


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l  Adsorbent: Used in chemical engineering as an adsorbent or catalyst carrier.


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l  Construction Industry: Used as insulation material, lightweight concrete, etc


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l  Oil & Gas Industry: Used for adsorption and filtration in oil extraction and natural gas refining processes.


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Product Advantages


Performance:



l  Lightweight: Due to its hollow structure, it has a lower density, making it suitable for applications that require weight reduction.



l  Good Thermal Insulation: The hollow structure provides excellent thermal insulation, effectively retaining heat or preventing heat transfer.



l  High-Temperature Resistance: It has good high-temperature resistance, making it suitable for high-temperature environments.



l  Chemical Stability: It has strong resistance to acid and alkali corrosion, making it suitable for use in various harsh environments.


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Storage & Transportation


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