–type alumina does not dissolve in water, but it can dissolve in acidic or alkali solutions. Once heated to 1200 C, the g-type of alumina transforms into a-type. G-type Alumina is a porous compound with a high level of activity and a strong adsorption ability. It has an internal surface area that can cover several hundred meters. These cylindrical pinkish or colorless industrial products have good resistance to high pressure.
g–Alumina 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, plastics, ceramics, and refractories. 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, butanone and benzene without the need for dispersant. It’s often used in epoxy resins, plastics, and other materials.
Why is g – Alumina important?
Coatings: Wear-resistant coatings, porcelain film coatings and plasma spraying.
Ceramics: Bioceramics, translucent ceramics and alumina clays.
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, phosphor raw materials, led lamp, and so forth.
Electronics: Single crystal and integrated circuit substrates, far-infrared material, and single crystal materials
Cosmetic Fillers:
Organic membrane materials.
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