China Silicon Carbide Specialty Ceramic Products Manufacturers - Hongyuan
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SiC roller

 

About SiC Roller, Pressureless Sintered Silicon Carbide Ceramic Roller, SSiC Roller

The pressureless sintered silicon carbide roller (SSiC roller) has the largest bearing capacity and the best oxidation resistance. It can be used below 1650 ℃ in oxidation atmosphere and has comprehensive corrosion resistance, which can be applied in any high temperature corrosion and harsh working conditions.


With the development of power battery, lithium cobalt oxide (LCO), ternary materials Nickel cobait lithium manganate (NCM), lithium manganese oxide (LMO) and lithium iron phosphate (LFP), which are the positive materials for commercial production of lithium battery, need high-temperature sintering in the preparation process. During high-temperature sintering, strong alkaline corrosive gas will be volatilized, reaction bonded silicon carbide rod contains 10-16wt% Si, which will react with the volatile corrosive gas at high temperature. The service life of the stick is greatly reduced and the maintenance cost of the kiln is increased.
The pressureless sintered silicon carbide rollers does not contain metal Si, and the bulk density can reach more than 97% of the theoretical density. The service life under the same working condition is 5 times that of the reaction sintered silicon carbide, and 15 times that of recrystallized sintered silicon carbide.

Application

It is applied in furnace, for firing positive materials of lithium battery,  lithium cobalt oxide (LCO), ternary materials Nickel cobait lithium manganate (NCM), lithium manganese oxide (LMO) and lithium iron phosphate (LFP).

Features

1. High temperature strength -It can be used reliably in the air even when the temperature exceeds 1600°C .(under inert gas and vacuum, the maximum temperature can reach 2000°C.)

2. Hardness-SSiC is a high-performance material second only to diamond and cubic boron nitride.

3. Wear resistance-ultra-high hardness and density make it ideal for parts often subject to high wear.

4. Thermal shock resistance-Due to the high thermal conductivity and low thermal expansion coefficient, it has excellent thermal shock resistance, and compared with other refractory materials, it performs better in rapid

thermal cycling.

5. Corrosion, oxidation and erosion resistance- high density, low porosity and chemical inertness make it work well in hot gas and liquid environments, oxidizing and corrosive gases, and strong acids and alkalis even at ultra-high temperatures.

6. High thermal conductivity- it has the equivalent thermal conductivity of graphite material, and 5 times of alumina.

Contac us

Hanjiang Hongyuan Xiangyang Silicon Carbide Special Ceramics Co.,Ltd.
Middle of Zhonghang Road, Aerospace Industrial Park, Xiangyang City, Hubei, China
Tel:+86-710-3155070
Mobile:+86-15072239775
Email: sales@hysic.com
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China Silicon Carbide Specialty Ceramic Products Manufacturers - Hongyuan
Middle section of Zhonghang Road, Aerospace Industrial Park, Xiangyang City, Hubei Province, China
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