Growing market of light emitting diode (LED) lightings and displays are the major factors driving the global high purity alumina market. With an increase in the environmental concerns, stringent regulations have been imposed, that has prompted the vendors to focus more upon research and development. This trend is likely to favor the global high purity alumina market.
Alumina is commonly known as aluminum oxide (Al2O3) and is a basic raw material for the production of metallic aluminum. Alumina ore (Al2O3) used for metallurgical applications (about 90%) is known as Smelter Grade Alumina (SGA) and is mainly used in the manufacturing of metallic aluminum. Only about 10% of alumina is used in non-metallurgical application and is known as high purity alumina. High-purity alumina contains a minimum of 99.99% pure aluminium and is a type of non-metallurgical alumina. It is widely used in manufacturing industries such as semiconductor industry, electrolytic capacitor foils, LED and LCD display, electronic storage systems and photovoltaic cells. The performance and price of the high purity alumina varies depending upon its degree of purity.
There are several industrial methods for producing high purity alumina including thermal decomposition of ammoniumalum, hydrolysis of aluminum alkoxide, vapor-phase oxidation, underwater spark discharge with aluminum and thermal decomposition of ammonium aluminum carbonate hydroxide (AACH). The most widely used process by producers is hydrolysis of aluminum alkoxide.
In manufacturing of high-purity alumina, desire level of purity of alumina is achieved by removing the impurity such as copper, iron and silicon in order to obtain the enhanced performance benefits such as low level of impurity, optimal processing and higher conductivity and brightness.
High purity alumina market is gaining traction due to various performance benefits offered by high purity alumina over traditionally used alumina. High purity alumina provides higher corrosion resistance, enhanced hardness and a high brightness level which makes it suitable for a range of applications in various industries including battery manufacturing, automotive sensors, phosphorus display and semiconductors.
The global high purity alumina market can be classified on the basis of application into four segments that include semiconductor applications, phosphor applications, LED applications, and others. LED applications category accounts for the highest market share, followed by semiconductor applications and phosphor applications.
Some of the major challenges of the global high purity alumina market include expensive raw materials, high labor cost, strict government regulations and high energy cost. Also, the cost of production is highly competitive due to the simplicity of the process.
Opportunities in the market include high performance electronic devices and downstream opportunity in a chemical processing plant.
Asia Pacific leads in market share of high-purity alumina due to high concentration of associated industries such as electronics and semiconductor equipment industries in China, South Korea and Taiwan. It is also the rapidly growing market of high-purity alumina owing to the rising demand of smart phones and high definition television. North America follows Asia Pacific having U.S as the largest market of high purity alumina. U.K, Italy and Germany are the major market of high-purity alumina in Europe.
Some of the major competitors of the global high purity alumina market include Sumitomo Chemicals Co Ltd., Orbite Aluminae Inc., Alcoa Inc., RUSAL, Mitsubishi Chemical Corp., Nippon Hydro ASA, Hong Fu Crystal Technology (Anhui) Co. Ltd., Dalian Hiland Photoelectric Material Co,Ltd and Hebei Pengda Advanced Material Technology Co Ltd.
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