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Aluminum Oxide spherical  CAS 1344-28-1
  • Aluminum Oxide spherical  CAS 1344-28-1
  • Aluminum Oxide spherical  CAS 1344-28-1

Aluminum Oxide spherical CAS 1344-28-1

Spherical alumina has the characteristics of high sphericity and high content of α-phase alumina,and it shows superior performance when used as a filler for rubber,plastics and ceramic raw materials.
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Spherical alumina Al2O3 powder overview:

Alumina is an inorganic substance with the chemical formula Al2O3.It is a high-hardness compound and is also called bauxite in mining,ceramics and materials science.It is a white solid insoluble in water,odorless,tasteless,and very hard in nature.It is easy to absorb moisture but does not deliquescence (non-hygroscopic after burning).Alumina is a typical amphoteric oxide (corundum is alpha-shaped and belongs to the most densely packed hexagonal compound.It is an inert compound,slightly soluble in acid and alkali and corrosion resistant.[1] It is soluble in inorganic acids and alkaline solutions,but almost insoluble in water And non-polar organic solvents;relative density (d204) 4.0;melting point 2050°C,boiling point 2980°C,ionized ionic crystals at high temperature,often used to make refractory materials.

Industrial alumina is prepared from bauxite (Al2O3·3H2O) and diaspore.For Al2O3 with high purity requirements,it is generally prepared by chemical methods.There are many different crystals of Al2O3.There are more than 10 kinds of known crystals.There are mainly 3 crystal types,namely α-Al2O3,β-Al2O3,and γ-Al2O3.Among them,the structure is different and the properties are different,and it is almost completely transformed into α-Al2O3 at a high temperature above 1300℃.

Spherical alumina Al2O3 powder features:high packing density:with larger particle size and wide particle size distribution,it can realize high-density packing of rubber and plastic,and produce compounds with low viscosity and good fluidity;high thermal conductivity:Compared with crystalline silica,the high packing density can make the thermal conductivity and heat dissipation rate of the compound higher;

Low abrasiveness:Due to its spherical shape,the kneader,molding machine and mold wear less.

Alumina Al2O3 is used to produce brown corundum by fusing high-quality bauxite ore,while high-quality aluminate is used to produce powder corundum and white corundum.Their natural crystal structure makes them hard and fast.At the same time,they are often used as raw materials for bonded abrasive tools and coated abrasive tools.Alumina Al2O3 can be recycled many times,and the number of cycles is related to the grade of material and the specific process.Most standard abrasive blasting equipment can be used.

Spherical alumina Al2O3 powder should be stored in a dry,cool and sealed environment,and should not be exposed to the air.In addition,avoid heavy pressure and transport it as ordinary goods.Packed in a double-layer plastic bag inside,it can be filled with argon in a vacuum;it can be vacuumed and filled with argon for protection.Vacuum packaging,100G,500G or 1KG/bag,25kg/drum,or as your requirement.

Spherical alumina Al2O3 powder application:

What is the scope of application of spherical alumina Al2O3 powder?

Spherical alumina has a wide range of functions

1.Paint:porcelain paint,wear-resistant paint and plasma spraying.

2.Ceramics:transparent ceramics,bio-ceramics and alumina ceramics.

3.Petrochemical products:high-efficiency catalysts,catalyst carriers and automotive exhaust gas purification materials.

4.Polishing materials:sub-micron/nano-level abrasive materials,single crystal silicon wafer polishing,precision polishing materials.

5.Illumination:Long afterglow phosphor raw materials and rare earth three-color phosphor raw materialshigh-pressure sodium lamp tubes, LED lights,etc.

6.Electronic products:integrated circuit substrates,single crystal materials and far infrared materials.

7.Cosmetics: cosmetic fillers.

8.Inorganic membrane materials.

Alumina Al2O3 is suitable for a variety of wet and dry treatment processes.It can grind the rough surface of any workpiece finely.It is one of the most economical abrasives.This kind of sharp and water chestnut synthetic abrasive has hardness second only to diamond,and is especially suitable for use when there are strict requirements for iron pollution.Used for the roughest cutting,it can also be made into a pebble shape to process precision-sized workpieces to achieve extremely low roughness.Due to its high density,sharpness,and rhombohedral structure,it is one of the fastest cutting abrasives.

The price of spherical alumina Al2O3 powder:

The price of spherical alumina Al2O3 powder will vary randomly with the production cost, transportation cost, international situation, exchange rate and the supply and demand of spherical alumina Al2O3 powder market. Tanki New Materials Co.,Ltd. aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full set of customized services. If you are looking for spherical alumina Al2O3 powder, please feel free to send an inquiry to get the latest price of spherical alumina Al2O3 powder.

Suppliers of spherical alumina Al2O3 powder:

As a global supplier of spherical alumina Al2O3 powder,Tanki New Materials Co.,Ltd has extensive experience in the performance,application and cost-effective manufacturing of advanced and engineered materials.The company has successfully developed a series of powder materials (including carbonization Boron,aluminum carbide,titanium carbide,etc.),high-purity targets,functional ceramics and structural devices,and provide OEM services.

Hot Tags: Aluminum Oxide spherical CAS 1344-28-1 , manufacturers, suppliers, factory, Customized
Technical Parameter of Spherical Aluminum Oxide Al2O3 Powder:
Test ItemsUnitTypical valueTest Method
Chemical AnalysisAl2O3%99.7ICP



Ionic  ImpuritiesNa+ppm56.3Atomic Absorption Spectrometer

Cl-ppm1.4Auto Electric Potential Titrator

Aluminum Oxide Properties
Other Namesalumina, aluminum (III) oxide, aluminum trioxide, Al2O3 powder
CAS No.1344-28-1
Compound FormulaAl2O3
Molecular Weight101.96
AppearanceWhite Powder
Melting Point2072 °C
Boiling Point2977 °C
Density3.95 g/cm3
Solubility in H2ON/A
Exact Mass101.948 g/mol
Aluminum Oxide Health & Safety Information
Signal WordN/A
Hazard StatementsN/A
Hazard CodesN/A
Risk CodesN/A
Safety StatementsN/A
Transport InformationNONH

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