Professional Manufacturer of Industrial High Temperature Refractory 99.7% Al2O3 Alumina Ceramic Roller Tube Stock

Professional Manufacturer of Industrial High Temperature Refractory 99.7% Al2O3 Alumina Ceramic Roller Tube Stock
Product Details
Our company strictly selects the world's top material manufacturers, eliminates brand premiums and intermediate links to provide consumers with ceramic bobbin, ceramic backing tape, PF Ceramic Ferrules that truly integrate function, appearance and price. We will take scientific and technological innovation as a breakthrough, strengthen corporate strategy research, continuously improve the scientific and standardized management of the enterprise, so as to effectively promote sustainable development. Should further information be required, please contact us at any time!

Alumina C799 is a very hard, dense material of exceptional strength.  Alumina ceramic exhibits resistance to both high temperature and corrosion. Electrical properties of alumina ceramic aluminum oxide include high volume resistivity as well as low loss characteristics at high frequencies. We produce many grades of Alumina Oxide Ceramic products by injection molding, dry pressing and extrusion processes. By using these processes and different chemistry, alumina ceramic properties are enhanced to meet most engineering requirements. Applications for alumina oxide ceramic include pump seals, temperature sensors, knife sharpeners and refractory anchors.


Alumina C799 content: ≥92%

Density: ≥3.6 g/cm3

Rockwell hardness: ≥80 HRA

Compressive strength: ≥850 Mpa

Fracture toughness KΙC: ≥4.8MPa·m1/2

Flexural strength: ≥290MPa

Thermal conductivity: 20W/m.K

Coefficient of thermal expansion: 7.2×10-6m/m.K


Our company insists on the purpose of "takes service priority for standard quality guarantee for the brand do business in good faith to provide professional rapid accurate and timely service for you". We welcome old and new customers to negotiate with us. We will serve you with all sincerity!



We are a modern enterprise with many years of experience in the production of Professional Manufacturer of Industrial High Temperature Refractory 99.7% Al2O3 Alumina Ceramic Roller Tube Stock. We are equipped with advanced equipment and testing equipment to provide users with more advanced and reliable products and better services. Just one phone call from you, our pre-sale service system will start and we will serve you wholeheartedly. Our company has a domestic first-class management and technical team, occupying the market with leading technology advantages.
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