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What is alumina dioxide? Alumina oxide is a novel high-purity metal that plays an increasing role. Aluminum oxide, a fine white powder of uniform particle size and chemical properties that can be easily dispersed, has good conversion rates of sintering performances, and moderate high-temperature shrinkage performance. This is the raw material used to make heat-resistant or wear-resistant products. There are many uses for alumina oxide. They can be used in light-transmitting sintered bodies as well as the carriers for the phosphor.
Alumina oxideAlumina oxide can be described as an al2O3 stable aluminum oxide. This is what it’s also called in materials science, mining and pottery. It is a solid white color that can be hardened in water. This is amphoteric oxide. It dissolves in inorganic acid, alkaline solution and water. This is an amphoteric substance. It reacts with acidic and base substances (such as sodium hydroxide and hydrofluoric acid), acts as bases with acids, or act as acids with the alkalis. Also, it can neutralize chemical reactions. Other forms of the alumina oxide There are two types of Alumina Oxide: calcined or ordinary industrial alumina. Calcined Alumina is used for making antique bricks. However, industrial Alumina can also be used to make microcrystalline rock. Corundum is the natural, most common crystalline form alumina. Because of their distinctive colors, sapphire and ruby are examples of corundum that exhibit gem quality. A unique shade of deep red, Ruby has trace chromium laser quality. The impurities iron and titanium can change the color of sapphire.
The application range for alumina dioxideWhile Alumina is an electric insulator, for ceramic materials this substance is also insoluble in liquid water. Corundum, or Alumina Oxide is the most popular crystalline form of Alumina. Its hardness allows it to be made into an abrasive component and a cutting tool component. Aluminum’s weather resistance is due to Alumina Oxide. The atmosphere is extremely reactive to aluminum metal. Aluminum oxide passesivation (thickness of 4 nm) is formed over any surface that has aluminum. This layer protects the metal against Corrosion, further oxidation, and other hazards. Through anodization, the thickness and properties of the oxide layers can be enhanced by using alumina materials. Anodization is a process that allows alloys such as aluminum bronze to improve corrosion resistance. The anodized aluminum is usually amorphous, however, plasma electrolytic or other oxidation processes will produce large quantities of crystalline alumina within the coating. This increases its hardness. The ceramic industry is the origin of alumina ceramics. Alumina ceramics consist of ceramic materials with Al2O3 being the primary raw material and corundum the main crystal phase. Alumina ceramics can be used for their raw materials because it has high mechanical strength and high hardness. It also exhibits low high frequency dielectric losses, good chemical resistance, and high thermal conductivity. Tungstenmolybdenummetals advanced materials Tech Co., Ltd. is a manufacturer of aluminum oxide with over 12 year experience in chemical products development and research. We can help you find high-quality aluminum oxide. Please contact us to send an enquiry.