durable fine industrial ceramic Alumina Ceramic Washer With High Precision

Alumina ceramic washer


1. Description

Accept any size according to the drawings

Accept any size according to the drawings

Material Properties

ITEM	UNIT	Alumina | A950	Alumina | A990
Main Content	-	95% Al2O3	99% Al2O3
Color	-	White / Pink	Ivory
Density	g/cm3	3.7	3.85
Vickers Hardness	Gpa	14	17
Flexural Strength	Mpa	310	360
Compressive Strength	Mpa	2,200	2,500
Electrical Resistivity	Ω·cm	>1014	>1014
Dielectric Strength	KV/mm	15	17
Dielectric Constant	1 MHz	8	9
Thermal Conductivity	W/m.K	25	29
Max. Working Temperature	℃ / °F	1,500 / 2,730	1,650 / 3,000
Resistance to Thermal Shock	△T(℃)	210	230
Thermal Expansion Coefficient (25 - 1,000 ℃)	10-6/K	7 - 9	7 - 9

Product Features

√ High Voltage Insulator	√ High Purity, Max. 99.8%	√ Various Available Grades
√ Hard and Wear Resistant	√ High Corrosion Resistance	√ High Mechanical Strength
√ Good Thermal Conductivity	√ High Operating Temperature	√ Most Favorable Fine Ceramic

Yixing City Kam Tai Refractories Co.,ltd is located in Yixing, the Pottery capital of China. Our company is founded in 2006, it is a professional refractory and ceramic company which cover research, production, sales and after-sales service. Since establishment, we adhere to principle of “Technological Innovation, Never Stop”, continuously improve R&D and production process and equipment. Moreover, we cooperate with famous university such like Liaoning University of Science and Technology, Beijing University of Science and Technology.
Main Products
We mainly manufacture industry furnace refractory material such as Sic PLATE,Setter plate, Push plate, Pillar,Sagger, Technical Ceramic, Furnace material and so on. Our product is widely used to sinter Magnetic Material, Electronic Ceramic, Daily Ceramic, Powder Metallurgy, Rare Earth Battery Material and so on. Our sandwich setter plate, electronic ceramic used sagger, Lithium battery cathode material sintering sagger are very good , and they have been leader products in our field .
Company Vision

Since our establishment, we insist on “No best , Just Better” , aimed to be the top Supplier of Refractory material and Technical Ceramic in the world.