What is γ& gamma;-Alumina? Alumina with & gamma;-kind crystal form is & gamma;-alumina. & gamma;-kind alumina is insoluble in water as well as can dissolve in solid acid or alkali remedy. When heated to 1200 ℃, γ& gamma;-kind alumina is entirely changed into α& alpha;-type alumina. & gamma;-type alumina is a permeable compound with an inner surface of numerous hundred square meters per gram and high task as well as solid adsorption ability. Commercial products are often colorless or pink round bits with great pressure resistance.
γ& gamma;- Alumina Characteristics The fragment dimension of γ& gamma;-stage nano-alumina is smaller than that of 20nm, with uniform bit dimension circulation, high purity, superb diffusion, high particular surface area, high temperature-resistant inertia and also high activity, so it belongs to active alumina, porosity, high firmness and also good dimensional security.
It can be commonly used in the reinforcement as well as toughening of all sort of plastics, rubber, porcelains, refractories and also various other products, particularly in improving the density, finish, cold and also warm fatigue, fracture durability, creep resistance and use resistance of polymer products. It is simple to spread in solvent water; it can be evenly spread in ethanol, propanol, propylene glycol, isopropanol, ethylene glycol monobutyl ether, acetone, butanone, benzene as well as xylene without adding dispersant. It is usually added to epoxy resin, plastics, etc What is
& gamma;-Alumina used for?
Coatings: porcelain movie finishes, wear-resistant layers and also plasma spraying.
Ceramics: clear ceramics, bioceramics and alumina porcelains.
Petrochemical industry: catalyst, stimulant provider and also automobile exhaust filtration material.
Polishing materials: submicron/ nanometer grinding products, solitary crystal silicon wafer grinding, great polishing products.
Lights: lengthy afterglow phosphor basic material and rare earth tricolor phosphor resources, high stress sodium light transparent tube, LED lamp and more.
Electronics: integrated circuit substrate, single crystal materials and far-infrared materials.
Cosmetics: cosmetic fillers.
Inorganic membrane products.
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