What is γ-Alumina?-Advanced nanomaterials and chemicals for bio medical. |Biomedicalmaterialsprogram


What is γ-Alumina?

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What exactly is g.-Alumina? An Alumina crystal form with the g type is called g.-alumina.
–type alumina does not dissolve in water, but it can dissolve in acidic or alkali solutions. G-type Alumina transforms into a type Alumina when heated to 1200°C. G-type Alumina is a porous compound with an inner surface area exceedingly large and a high adsorption rate. These cylindrical pinkish or colorless industrial products have good resistance to high pressure.

gAlumina Properties
The particle size of g-phase nano-alumina is smaller than that of 20nm, with uniform particle size distribution, high purity, excellent dispersion, high specific surface, high temperature-resistant inertia and high activity, so it belongs to active alumina, porosity, high hardness and good dimensional stability.
You can use it to strengthen and toughen many types of materials, including rubber, plastic, ceramics, refractories, etc., particularly in improving compactness and finish as well creep resistance and wear resistance. It’s easy to dissolve in solvent water. You can mix it with ethanol, propanol and propylene glycol or isopropanol as well as ethylene glycol monobutylether, acetone and butanone. It’s often used in epoxy resin, plastics, and other materials.

Where is g – Alumina used?
Coatings: Wear-resistant coatings, porcelain film coatings, plasma spraying.
Ceramics: Bioceramics, translucent ceramics, and allumina ceramics.
The petrochemical industry has catalysts, catalyst carriers and automotive exhaust purification materials.
Polishing materials: single crystal silicon wafer grinding and submicron / nanometer polishing materials.
Lighting: High pressure sodium transparent tube, long afterglow and rare earth tricolor, phosphors, and other phosphors.
Electronics: Single crystal and integrated circuit substrates, far-infrared material, and single crystal materials
Cosmetic Fillers:
Organic membrane materials.

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