Top Suppliers 5n 99.999% High Purity Alumina Polishing Powder - 4N 99.99% high purity alumina – Zhanchi
Top Suppliers 5n 99.999% High Purity Alumina Polishing Powder - 4N 99.99% high purity alumina – Zhanchi Detail:
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
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4N 99.99% high purity alumina |
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Type |
|
CX008 |
CX003 |
CX004A |
CX004B |
CX004 |
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Al2O3 Content |
% |
≥99.99% |
≥99.99% |
≥99.99% |
≥99.99% |
≥99.99% |
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Phase state |
|
α-Al2O3 |
α-Al2O3 |
α-Al2O3 |
α-Al2O3 |
α-Al2O3 |
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Appearance |
|
White powder |
White powder |
White powder |
White powder |
White powder |
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L.O.I (%) |
|
0.5 |
/ |
/ |
/ |
/ |
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Na |
ppm |
≤10 |
≤10 |
≤20 |
≤20 |
≤20 |
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Fe |
ppm |
≤10 |
≤10 |
≤20 |
≤20 |
≤20 |
|
Ca |
ppm |
≤2 |
≤2 |
≤2 |
≤2 |
≤2 |
|
Si |
ppm |
≤10 |
≤10 |
≤20 |
≤20 |
≤20 |
|
Cu |
ppm |
≤2 |
≤1 |
≤2 |
≤2 |
≤2 |
|
Mg |
ppm |
≤2 |
≤2 |
≤2 |
≤2 |
≤2 |
|
Ti |
ppm |
≤2 |
≤1 |
≤2 |
≤2 |
≤2 |
|
Cr |
ppm |
≤2 |
≤1 |
≤2 |
≤2 |
≤2 |
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D50 |
um |
0.5-0.8 |
0.2-0.8 |
0.5～30 |
0.5～30 |
0.5～30 |
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Apparent Density |
g/cm3 |
0.4-0.6 |
0.4-0.6 |
0.3～0.5 |
0.4～0.6 |
0.3～0.5 |
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SpecificSurface |
m2/g |
4-12 |
6-15 |
3～10 |
≥180 |
3～10 |
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Sintered Density |
g/cm3 |
/ |
≥3.9 |
/ |
/ |
≤20 |
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Main application |
|
Lithium battery diaphragm |
ceramics |
Rare Earths Trichromatic Fluorescent Powder |
LED Phosphor |
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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 and 5N high purity alumina/aluminum oxide powder, contact with us for OEM
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The shopper satisfaction is our primary focus on. We uphold a consistent level of professionalism, quality, credibility and repair for Top Suppliers 5n 99.999% High Purity Alumina Polishing Powder - 4N 99.99% high purity alumina – Zhanchi , The product will supply to all over the world, such as: Czech republic, Tunisia, Angola, We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of "good quality, reasonable price, the first-class service". We are willing to build long-term, friendly and mutually beneficial cooperation with you.
By Novia from Czech - 2018.05.13 17:00
After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
By Carey from Mozambique - 2017.06.16 18:23
