What is γ& gamma;-Alumina? Alumina with & gamma;-kind crystal kind is & gamma;-alumina. & gamma;-kind alumina is insoluble in water and can dissolve in solid acid or alkali option. When heated to 1200 ℃, γ& gamma;-kind alumina is entirely changed into α& alpha;-kind alumina. & gamma;-kind alumina is a porous compound with an inner surface area of several hundred square meters per gram as well as high task as well as strong adsorption capacity. Commercial products are usually anemic or pink cylindrical fragments with good pressure resistance.
γ& gamma;- Alumina Characteristics The fragment size of γ& gamma;-stage nano-alumina is smaller sized than that of 20nm, with consistent particle size circulation, high purity, exceptional dispersion, high details surface, high temperature-resistant inertia and high activity, so it comes from energetic alumina, porosity, high firmness as well as good dimensional stability.
It can be extensively made use of in the reinforcement and also toughening of all kinds of plastics, rubber, porcelains, refractories and various other items, specifically in enhancing the density, coating, cold and hot fatigue, crack toughness, creep resistance and also put on resistance of polymer products. It is very easy to disperse in solvent water; it can be evenly spread in ethanol, propanol, propylene glycol, isopropanol, ethylene glycol monobutyl ether, acetone, butanone, benzene and xylene without including dispersant. It is commonly included in epoxy resin, plastics, etc What is
& gamma;-Alumina used for?
Coatings: porcelain film layers, wear-resistant layers and plasma splashing.
Ceramics: clear ceramics, bioceramics and alumina porcelains.
Petrochemical market: driver, stimulant service provider as well as automobile exhaust purification material.
Polishing materials: submicron/ nanometer grinding products, solitary crystal silicon wafer grinding, fine polishing products.
Illumination: long afterglow phosphor raw material and rare planet tricolor phosphor resources, high pressure salt light transparent tube, LED lamp and so forth.
Electronic devices: integrated circuit substrate, solitary crystal materials and also far-infrared products.
Cosmetics: cosmetic fillers.
Not natural membrane products.
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