? Product is spherical micron superfine aluminum powder, with a high temperature, wear, corrosion resistance, high hardness, high insulation, high thermal conductivity and other properties. Spherical alumina with high purity, good appearance, good stability and narrow particle size distribution, with a minimum fill volume with a higher thermal conductivity and other characteristics of spherical alumina products are mainly used for electronic materials, thermal conductivity insulation materials, special ceramics and other fields. In the heat resistant filler, electronic ceramics, and polishing materials, high-grade abrasive, rare earth phosphor powder, high pressure sodium lamp, transparent ceramics, ceramic chip, ceramic fiber, synthetic gems, is widely used catalyst support and other fields, can be used as micro- hole ceramic, ceramic membrane materials, especially for rubber, plastic filler, with a low viscosity, good fluidity, high filling, low wear, high purity and other characteristics. Main functions: (1) packing heat conduction: thermal grease, thermal adhesive, thermal grease, thermal film; (2) transparent ceramics: high-pressure sodium lamp for fluorescent tubes, computer programmable read only memory window; (3) high strength of alumina ceramics: the substrate for the manufacture of integrated circuits, cutting tools, high-purity crucible; (4) abrasives: used in the manufacture of glass, metal, semiconductor, plastic abrasive; (5) single crystal: for the manufacture of ruby, sapphire , yttrium aluminum garnet; (6) Other: used as active coatings, adsorbents, catalysts and catalyst supports, vacuum coating, special glass materials, composites, resin fillers, biological ceramics. (7) polishing silicon wafers and alumina glass bulb Features: grain was spherical, narrow size distribution, easy to produce scratches. Product is pure α-Al2O3 phase, high hardness (Mohs hardness 9), and suspension stability, has good polishing properties. Purposes: (1) Electronic Materials Grinding: monocrystalline silicon wafers and other semiconductor materials, wafer grinding; (2) optical glass polishing: imaging bulb, computer hard drives, optical lens surface polishing. (3) Decoration Materials polishing: Suitable for high-grade stone, decorative materials, metal polishing. (8) alumina polishing abrasive characteristics: appearance white powder, particle size uniformity, chemical stability, good polishing performance. Uses: used as a mirror-polished stainless steel, wax, polishing fluid, or the aggregate polishing paste, and various high-grade polishing stone and other aggregates. (9) light-emitting materials: rare earth trichromatic phosphors used, long afterglow phosphor, PDP phosphors, LED phosphors the main raw material.