Calcined Alumina - Very Soft - 5Lb

Calcined Alumina - Very Soft - 5Lb
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  • Item #: AOCVS-5lb
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Calcined Alumina (Al2O3)  Very Soft 
Calcined alumina is produced through the calcination (“heating”) of alumina to various temperatures. By controlling the calcination temperatures and time, the properties of the alumina can be tailored to allow for a broad range of physical properties. Calcined alumina is therefore utilized in a variety of industrial applications including Structural ceramics, Technical ceramics, Polishing compounds for plastic, metal, and glass, Fillers for Rubber and Plastics, Refractories, Paint & Coatings and Thermal Spray Powders.

Typically the primary variables in selecting the proper calcined alumina for your application are:
•Density of crystal: low/soft, medium or high/ hard material
      - These factors are determined by the degree and duration of calcination.
•Surface area of the powder: decreases with a higher degree and duration of calcination.
•Soda content: decreases with higher degree of calcination and chemical treatments.
•Alpha Alumina Content.
•Primary Crystal size.

Polishing grades vary depending on the polishing application and the work piece material.

Typical Properties:

Abrasive Wear-Resistance Dielectric Properties
Compression Strength High Degree of Refractoriness
High Hardness Resistance to Chemical Attacks
High Melting Point Resistance to Thermal Shock
Superior Insulating properties  

 

Typical Applications:

Coatings Filler
Laminates Lapping
Polishing Refractory
Technical Ceramics Structural Ceramics

 

To view the Calcined Alumina chart demonstrating differences between the Martinswerk Aluminas Click Here.

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