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Silicon nitride ceramic ring has high strength structure and good oxidation resistance and insulation

Categories Silicon Nitride Ceramics
Brand Name: Weite ceramics
Certification: ISO9001
Place of Origin: Jiangsu, China
MOQ: 50piece
Price: Negotiate
Supply Ability: 100000 per month
Packaging Details: carton
product name: Silicon nitride ceramics ring
Material: Silicon nitride ceramics
colour: dark grey
Features: Wear-resistant/insulation
Place of origin: Jiangsu, China
Hardness (HV): 14-16
Maximum operating temperature: 1800
Density (g/cm3): >3.2
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Silicon nitride ceramic ring has high strength structure and good oxidation resistance and insulation


High - Strength Structural Ceramic Silicon Nitride Ceramic Ring


Product Overview

Silicon nitride ceramic is an inorganic material ceramic that does not shrink during sintering. Silicon nitride has high strength, especially hot-pressed silicon nitride, which is one of the hardest substances in the world. With high strength, low density, high temperature resistance and other properties.


Silicon nitride ceramics have high strength, especially high-purity silicon nitride, which is one of the hardest substances in the world.
Very strong corrosion resistance, can be used in strong acids and alkalis, soluble in hydrofluoric acid but does not react with other organic acids.

The product has the advantages of high density and uniformity, excellent thermal shock resistance, corrosion resistance, high temperature resistance, pollution-free, high insulation, and is not affected by a reducing atmosphere. It has a long service life and is especially suitable for harsh conditions such as hydrogen reduction furnaces. Electrode protection. Can be processed according to customer demand specifications.


Product parameter table

Colourdark grey
Density (g/cm3)>3.2
Relative density99%
Hardness (HV)14-16
Fracture toughness (MPa•m1/2)6-7
Normal temperature flexural strength (MPa)600-800
Coefficient of expansion (μm/K)20-400℃3.2
400-1000℃4.3
Dielectric strength (KV/mm)>13
Resistivity
(Ω·cm)
20℃>1014
500℃>1011
Thermal conductivity (W•(m•K)-1)15-22
Acid and alkali corrosion resistanceexcellent
Thermal shock resistance ΔT℃1300
Maximum operating temperature1800
Apparent porosity%0

Product features


Product features: high temperature and high strength, good thermal shock stability, good fatigue toughness, high fatigue willfulness, high room temperature bending strength, wear resistance, oxidation resistance and corrosion resistance.

Applications


This product has been widely used in polysilicon reduction furnaces, military manufacturing, aviation, and power.

Product Picture


High temperature resistance. At 1200 ℃, the strength and hardness are almost unchanged. It can be used in a high temperature environment. It will not melt under high temperature and will not decompose until 1900 ℃.
.

Product packaging


Packed in carton

FAQ


1. Are you a businessman or a manufacturer?
We are a company, we have our own factory
2. How long is your delivery time?
Negotiable
3. Can the product be customized?
Can be customized
4. What is the product packaging?
Carton or according to customer requirements

China Silicon nitride ceramic ring has high strength structure and good oxidation resistance and insulation factory
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