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The Difference Between Activated Alumina and Modified Alumina

admin / 2023-06-29 / no Comments

Difference between activated and modified alumina

It is a highly porous solid with a high surface area. Its microporous, highly dispersed surface is characterized by adsorption properties, surface activity and good thermal stability.

Because it is porous and has a high specific surface area in a state of instability, activated aluminum has a lot of activity. It is also used in the petrochemical industry, as well as other industries. Because it has good adsorption, it can be used for a variety of purposes, including drinking water defluoridation, industrial wastewater coloring and deodorant. Alumina is used as a fluorine-filter material and has a very long service life.

Modified Alumina: Due to the different physical and chemical characteristics of alumina materials, metals, and polymer materials the wettability and composite quality of each component is poor. The performance of the composite is also far from the theoretical indicators. The inorganic functional filler modified to be polymer functional is blended into the organic polymer. This improves the wettability at the interface and makes the structure uniform. Moreover, surface coating metal modification on the alumina particle particles can enhance the performance of metal alumina composite materials.

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What is Spherical Al2O3 Powder?

admin / 2023-06-01 / no Comments

What is it? Spherical HTML2O3 Powder ? Aluminium oxide can be described as an inorganic compound with the chemical formula Al2O3. It is a high-hardness compound that has a melting temperature of 2054 degC and boiling point of 2980 degC. It is an ionized crystalline that can be easily ionized at high temperatures. This crystal is commonly used in the production of refractory materials.
Industrial alumina is made from bauxite, Al2O3*3H2O and diaspore. Chemical methods are used to prepare Al2O3 with high purity requirements. There are many Al2O3 isomorphous crystals. More then 10 types are known. There are generally three crystal forms of Al2O3, which are a-Al2O3,-b-Al2O3, or g-Al2O3. They all have different structures and different properties. At temperatures over 1300°C, it can be almost entirely converted into a Al2O3.
The high-temperature melt spraying process produces spherical Alumina with high sphericity. This alumina has excellent performance as a filler for rubber, plastics, ceramic raw materials.
The key features of Powdered Spherical al2O3
1. High filling density. This product is capable of filling rubber and plastics with high density.
2. High thermal conductivity. High filling density permits the production of compounds that have a higher thermal conductivity and a higher heat dissipation than crystalline silicon.
3. Low abrasivity:
Its Spherical shape makes it less likely to wear forming machines, dies, and kneading equipment.

Aluminum Oxide Properties
Other Titles	Alumina, aluminum (III), oxide, aluminum trioxide, and Al2O3 powder
No.	1344-28-1
Combination Formula	Al2O3
Molecular Weight	101.96
Appearance	Powder White
Melting Point	2072 degC
Boiling Point	2977 degC
Density	3.95 g/cm3
Solubility of H2O	N/A
Exact	101.948 g/mol

Spherical Al2O3 Powder CAS 1344-281

Spherical Al2O3 Pulver is used in a variety of applications
1. Spherical Micropowder can be used as a ceramic material. It has excellent pressing properties and sintering capabilities, which are extremely helpful for the production high-quality ceramic products.
2. It can be used as a grinding or polishing material.
3. This is used in the petrochemical and petroleum industries. There are increasing requirements for the pore size distributions and the pore structure of the carrier alumina. You can adjust the particle size configuration to control formed catalyst carrier particles. Distribution and pore size.
4. The thermally-conductive composite spherical aluminum powder has a limited thickening range and good filling performance. It can be used to make new composite materials with high thermal conductivity, such as thermally-conductive gaskets and thermally-conductive silicone grease, thermally-conductive potting (Glue), and thermallyconductive plastics. You can also use it to create artificial teeth or bones.
The main supplier of Spherical Powder of Al2O3
Tech Co., Ltd. () is a professional oxide powder Over 12 years' experience in chemical product development and research. We accept credit cards, T/T and West Union payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
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What is Spherical Aluminum Oxide Al2O3 Powder?

admin / 2023-05-04 / no Comments

Introduction toSpherical Al Oxide Powder
Aluminum oxide Oder bauxite Al2O3 is a white powder that is insoluble and refractory. It has a melting point of 2015, a boiling point of 2980, a relative density of 4.0, and possesses 8.5 Mohs hardness. It comes in a variety of crystal types, with the most common being a- and g varieties. Aluminum oxide is made by heating aluminum hydroxide and dehydrating it. Aluminum oxide is found in nature. This aluminum oxide is known as corundum. A small number of impurities can create corundum with a variety color. Artificial gems can be used in industrial technology and are comparable to natural gems in terms their properties. Bearings, for example, are used in fast-moving parts such as the dials of watches and clocks. Aluminum oxide is one main component of the earth’s crust. Aluminum oxide is the main raw material needed to make aluminum. Aluminum oxide is easily oxidized by oxygen to make aluminum oxide. Aluminium products placed in the atmosphere will form a thin protective layer of aluminum oxide that protects the aluminum inside. These aluminum products can then be used to cook and use other living utensils. Aluminum oxide is an amphoteric ore, and can dissolve in both acid as well as base. Aluminum products aren't resistant to acid or alkali. Contact with acid or alkali will cause the outer oxide layer to be destroyed. Activated aluminiu oxide is porous and can adsorb many substances. This makes it a popular choice for catalysts, desiccants, and adsorbents.

Physical Properties of Spherical Al Oxide Powder
The particle size aluminum oxide Powder is uniformly distributed. It has high purity and excellent dispersion. It is a powder with a large specific area. It also has high-temperature resistance and inertia. It is Porous. It has high hardness and good dimensional stability. It is often used in the production of catalysts, catalyst carriers, and other green chemical substances. It is used extensively to strengthen and toughen many types of plastics. Excellent dispersion, insolvent waters; Solvent alcohol, propylalcool, propylenegl, isopropylalcool, ethylene glycol monobutylether, acetone and benzene.
The particle size of aluminum oxide powder can be changed to the nanometer level This material can not only retain the exceptional characteristics of regular aluminum oxide powder, but also exhibits the optical, electrical and magnetic properties, as well as the mechanical properties, that traditional materials don't have. Nano aluminum oxide is a novel functional material and is widely used in many fields, such as optics, chemical industries, and special ceramics.

Properties of Spherical Aluminum Oxide powder
Other names	aluminum oxide, aluminum (III) oxide, aluminum trioxide, Al2O3 powder
CAS No.	1344-28-1
Formula compound	Al2O3
Molecular Weight	101.96
Appearance	white powder
Melting Point	2072degC
Boiling Point	2977 degC
Density	3.95g/cm3
Solubility of H2O	N/A
Exact Mass	101.948

Spherical Al2O3 Powder CAS1344-28-1

Spherical Aluminum Oxide Powder Applications
1. Aluminum oxide is the main ingredient in making aluminum. Aluminum oxide is used primarily to make aluminum.
2. Aluminum oxide is the primary raw material for the electrolytic method to metal aluminum. The purer aluminum smelting process, the better. Aluminum oxide is easier to purify than aluminum dioxide. Aluminum oxide is one main component of the earth’s crust. This includes aluminum clay H2Al(SiO4)*H2O), and alingite (AlO2SO4*9H2O). Natural bauxite, which can be found in the range of 40% to 60%, is the best raw material used for the production of aluminum oxide. The rest is made up mainly from silicon dioxide, ironoxide, and scattered elements. You can separate aluminum oxide from the other impurities by using their chemical properties. The main purification methods are the acid method and the alkali method. Activated aluminiu oxide g aluminum dioxide, a porous metal, can have a surface area of hundreds of meters. It has high activity and can adsorb water, vapor, and other liquid molecules. This material is often used as an agent, catalyst carrier and desiccant.
3. Artificial aluminum dioxide fiber is an aluminum oxide main component. It contains approximately 5% silicon dioxide to stabilize the crystal phases of aluminum oxide. It is widely used in iron and steel industries in heat treatment furnaces and petrochemical cracking oven insulation linings, nuclear reactors and light alloy reinforcement material. Aluminum oxide fiber is a polycrystalline aluminum dioxide fiber. This fiber is made using either the impregnation (precursor) method of organic fibril. It has a microcrystalline structure which eliminates any possibility of recrystallization in melt-blown fiber. This fiber exhibits great strength at both high and low temperatures, as well as high resistance to high temperature.

Main supplier of Spherical Al Oxide Powder
Technology Co. Ltd. is a trusted global supplier and manufacturer of chemicals and nanomaterials. They have over 12 years experience in producing super high-quality chemicals.
High-quality products are what you want Powder of spherical aluminium oxide Please feel free and contact us to send an inquiry. (brad@ihpa.net)