Calcined Polishing Powder White Fused Alumina for Refractory

Calcined Polishing Powder White Fused Alumina for Refractory

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

After years of hard work, the quality of the Ceramsite Sand, Steel Shot, Micro Powder For Diamond Wire has been greatly improved, and has received unanimous praise from the same industry. You can rest assured to buy from us. We adhere to timely delivery of quality and quantity of products and achieve win-win development with customers. We have made unremitting efforts to establish a good reputation in the industry, and will strengthen internal risk and incentive mechanisms, unite and work together to build the company into the best enterprise in the industry. Our company adhere to the marketing line, we have a professional and efficient operation management team, mature and stable processing technology, strong and powerful after-sales service support. We need to unite and cooperate, and constantly exceed the organizational structure and geographic restrictions to meet the ever-changing needs of customers.

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


We operate in good faith and provide high-quality Calcined Polishing Powder White Fused Alumina for Refractory and perfect pre-sale and after-sale service, aiming to be your efficient assistant. We provide you with high-quality products and services with excellent technology and equipment, advanced design concept, professional production process, customer-oriented service consciousness and competitive cost advantage. Over the years, we have always put the word 'responsibility' throughout all aspects of the production and operation of the company, we sincerely look forward to cooperating with colleagues and users at home and abroad as always to create a better tomorrow.
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