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Tm Cc Series Superfine Activated Alpha Alumina For Special Ceramics - China

price: contact company for price


This series is a new ultrafine powder. Its crystal size is even smaller (0.5~1um). It can be easily ground to about 1um average sizes of micro powder. It has a narrow range of powder particle size distribution and a good dispersion.


It can be used in knife tools, precision alumina ceramics and all kinds of ceramic tools produced in the way of isostatic pressing method. It can also be used in mirror polishing.

Main Technical Parameters of TM-CC Series Superfine Activatedalpha-Alumina for Special Ceramics:


Type AL2O3

>= (%) Impurity Content <= (%) True Density

>= (g/cm3) alpha-Phase Conversion Rate

>=(%) Primary Crystal Size

(um) Average Size


SiO2 Fe2O3 Na2O

TM-CC Coarse Powder 99.7 0.05 0.03 0.20 3.93 93 0.5-1 40-60

Micro Powder 99.6 0.05 0.03 0.20 3.92 93 0.5-1 1±0.5

Note: Standard 95 porcelain formula, sintering temperature 1550degree centigrade±30degree centigrade, shrinkage value 18~20%.

Company Contact:

  • Phone: 8637168138155

  • Address: No.25 Anyang Road Shangjie District , Zhengzhou, China

  • Email: Email

Published date: December 29, 2013 -

  • Business Description: Zhengzhou Tianma Micropowder Co., Ltd. is a professional alumina manufacturer that engages in scientific research for, producing of and testing (trading) of alumina products. The company is a member of the China Association of Industry and Commerce and maintains a long term relationship with the China Academy of Science. The company controls its own import and export operations. In 2003, Zhengzhou Tianma was awarded ISO9001: 2000. In 2004, the company was confirmed as a Hi tech Company by the government of Henan province.
    The factory is constructed on 16,800 square meters of land with over 14,500 square meters of facilities. Our company owns both land and the factory which contains an environment friendly high temperature gas tunnel kiln capable of an annual output of 15,000 tons. We have excellent equipment, advanced techniques, a qualified technical staff and complete inspection facilities. We produce over 20 products in this one facility. The product line includes α AL2O3 for color TV, α AL2O3 for IC chip manufacturers, α AL2O3 for high voltage appliances, α AL2O3 for Single Crystal Silicon Wafer fabrication, α AL2O3 for specialty ceramics and refractory applications as well as sheet and ceramic powders. Our products are of high quality, which is reliably supplied. We have been awarded patents on some of our products. Our techniques and quality meet world class standards, and some exceed world class standards. Exports go to the USA, Japan, Korea, and Taiwan. We have earned the trust of the worlds leading producers.
    Utilizing ISO9001: 2000 techniques, the company continues to improve our quality systems in order to sustain our high standards. By doing so, we can guarantee the quality of our products. Our high quality products and competitive cost permit our customers to enjoy the benefits of profitability.
    Our Corporate philosophy is: maintaining highly qualified staff, building a world class facility, and producing high quality products. We strive to supply high quality products and services in order to obtain the trust and support of our customers and society in general.

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