China Supplier 99.5% High Purity Calcined Alumina for High Temperature Electronic Ceramics

China Supplier 99.5% High Purity Calcined Alumina for High Temperature Electronic Ceramics

This Calcined Alumina is made from high-quality industrial alumina, using a new high-temperature kiln, and is produced by scientific calcination. It is commonly used in the manufacture of advanced ceramic shapes, refractory materials and fused alumina abrasives. It can be compressed to produce a firing density of 3.8 or higher. It has a very high melting temperature and the ceramic made from it can maintain a high strength at temperatures above 110 °C.
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Product Details

We are a powerful company that is doing business in the global market, and is currently committed to the manufacture of a series of unique different types and styles of White Fused Alumina, Silicon Carbide, Zirconia Bead. Our company implements the development concept of taking talents as the foundation, innovation as the driving force, and professional technology to build the brand, and take the road of sustainable development. We have always insisted on providing customers with the best quality service, meeting their different needs, and making our products perfect. We welcome you to join us in this path of creating a prosperous and efficient business together. We have reason to believe that our company will become stronger and stronger in the face of opportunities and challenges and become a leader in this industry! We Sincerely welcome customers from all over the world to visit us, with our multifaceted cooperation and work together to develop new markets, create win-win brilliant future.

Product description:

This Calcined Alumina is made from high-quality industrial alumina, using a new high-temperature kiln, and is produced by scientific calcination. It is commonly used in the manufacture of advanced ceramic shapes, refractory materials and fused alumina abrasives. It can be compressed to produce a firing density of 3.8 or higher. It has a very high melting temperature and the ceramic made from it can maintain a high strength at temperatures above 110 °C. Therefore, many refractory materials use this Calcined Alumina to make parts that must withstand high temperatures. The calcined alumina can replace the silica filler in the porcelain. It reduces shrinkage and increases thixotropy, providing minimal knurling strength in the kiln to aid glaze blending and increase burning intensity. It is used for grinding media, cutting tools, high temperature bearings and various mechanical parts. Calcined Alumina has high thermal conductivity and higher thermal expansion than zircon.

Product application:

●  Widely used in refractory industry, ceramic industry, polishing industry , etc.

●  Suitable for glaze ceramics, engineering ceramics, ceramic insulation, wear-resisting ceramics.

●  Alumina is also used for electronic components, high temperature resistance porcelain, roller, textile porcelain pieces, circuit substrate, refractory materials, etc.

●  It also can meet the requirements of hot die casting, injection pressure, isostatic pressing, rolling film, stretch film, grouting.


Size Available:

325mesh, 500mesh, 5um, 3um, 2um, 1um, 0.5um, 0.3um.

Other special spec. could be supplied as required.

Chemical Composition(%)

Items

Al2O3

Fe2O3

SiO2

Na2O

Spec(%)

99-99.7

0.02-0.04

0.03-0.15

0.03-0.25


Physical Index:

● Crystal Form: Alpha Alumina

● pH:9.0 - 10.5

● Specific Gravity: 3.95 g/cm


At present, our production layout is reasonable so that our China Supplier 99.5% High Purity Calcined Alumina for High Temperature Electronic Ceramics has stable and reliable quality, which is deeply trusted and affirmed by our customers. Through our business and social activities, we will do our best to fulfill our responsibilities as a social public entity. We are committed to research and development of high-tech enterprises, we have a research group full of exploration and pioneering spirit.
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