High definition China Factory 99.999% High Purity Alumina Powder For Stainless Steel Tableware Polishing - 4N 99.99% high purity alumina – Zhanchi

High purity alumina is a chemical with the chemical formula of Al₂O₃.

Molecular weight: 102

Melting point: 2050 ℃

Specific gravity: Al₂O₃ α Type 2.5-3.95g/cm3

Crystal form: γ Type α type

Features: high purity, particle size can be controlled according to the process, uniform particle size distribution, white tasteless powder

Our company 4N 99.99% high purity alumina/aluminum oxide powder is a kind of white powder with uniform particle size, easy dispersion, stable chemical properties, moderate high temperature shrinkage and good sintering properties; High conversion and low sodium content. This product is the basic raw material for producing heat-resistant, wear-resistant and corrosion-resistant products

4N  99.99% high purity alumina/aluminum oxide powder was widely used for

1) Luminescent material: used as the main raw material of rare earth trichromatic phosphor, long afterglow phosphor, PDP phosphor and led phosphor;

2) Transparent ceramics: used as fluorescent tubes of high-pressure sodium lamps and electrically programmable read-only memory windows;

3) Single crystal: used for manufacturing ruby, sapphire and yttrium aluminum garnet;

4) High strength and high aluminum ceramics: used for manufacturing integrated circuit substrates, cutting tools and high-purity crucibles;

5) Abrasive: abrasive used for manufacturing glass, metal, semiconductor and plastic;

6) Diaphragm: used for manufacturing diaphragm coating of lithium battery;

Others: used as active coating, adsorbent, catalyst and catalyst carrier, vacuum coating, special glass raw materials, composites, resin filler, bioceramics, etc

We also have other type 4N high purity alumina/aluminum oxide powder, contact with us for OEM