What is γ& gamma;-Alumina? Alumina with & gamma;-type crystal form is & gamma;-alumina. & gamma;-kind alumina is insoluble in water and can dissolve in solid acid or alkali remedy. When heated to 1200 ℃, γ& gamma;-kind alumina is entirely transformed into α& alpha;-kind alumina. & gamma;-type alumina is a porous material with an internal area of numerous hundred square meters per gram and high activity and also solid adsorption ability. Industrial products are often anemic or pink round bits with great stress resistance.
γ& gamma;- Alumina Features The bit size of γ& gamma;-stage nano-alumina is smaller sized than that of 20nm, with uniform particle size distribution, high pureness, outstanding diffusion, high details surface area, high temperature-resistant inertia and also high task, so it comes from active alumina, porosity, high firmness and great dimensional stability.
It can be extensively used in the support and toughening of all sort of plastics, rubber, ceramics, refractories and other items, particularly in improving the density, coating, cold and also warm tiredness, crack sturdiness, creep resistance as well as put on resistance of polymer products. It is simple to spread in solvent water; it can be evenly dispersed in ethanol, propanol, propylene glycol, isopropanol, ethylene glycol monobutyl ether, acetone, butanone, benzene and xylene without adding dispersant. It is usually contributed to epoxy material, plastics, and so on What is
& gamma;-Alumina utilized for?
Coatings: porcelain film finishings, wear-resistant finishes and plasma spraying.
Ceramics: transparent porcelains, bioceramics and also alumina porcelains.
Petrochemical sector: catalyst, driver carrier and vehicle exhaust purification product.
Polishing products: submicron/ nanometer grinding products, solitary crystal silicon wafer grinding, fine sprucing up materials.
Lights: lengthy afterglow phosphor raw material as well as rare earth tricolor phosphor basic material, high stress salt lamp transparent tube, LED light and so on.
Electronics: incorporated circuit substrate, solitary crystal materials and also far-infrared materials.
Cosmetics: cosmetic fillers.
Inorganic membrane products.
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