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Weite Ceramics Co., Ltd
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Dark Grey Polysilicon Ring Silicon Nitride Ceramics

Yixing Weite Chinaware Co., Ltd

Dark Grey Polysilicon Ring Silicon Nitride Ceramics

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Brand Name : Weite ceramics

Certification : ISO9001

Place of Origin : Jiangsu, China

MOQ : 50piece

Price : Negotiate

Supply Ability : 100000 per month

Packaging Details : carton

Material : Silicon nitride ceramics

colour : dark grey

Features : Wear-resistant/insulation

Place of origin : Jiangsu, China

Density : >3.2(g/cm3)

Maximum operating temperature : 1600

Application : Polysilicon industry

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Silicon Nitride Ceramic Insulation Ring Used In Polysilicon Industry

Product Overview

Silicon nitride ceramics have excellent comprehensive performance:
1. Very strong corrosion resistance, in addition to concentrated HF, it can be used in other strong acids and alkalis.
2. High temperature resistance, when it can withstand 1200℃ in an oxidizing atmosphere, it can withstand a maximum of 1500℃ in a reducing atmosphere.
3. Non-magnetic, electrical insulation, low thermal conductivity, can be used for insulating materials.

Product parameter table

Colour dark grey
Density (g/cm3) >3.2
Relative density 99%
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 resistance excellent
Thermal shock resistance ΔT℃ 1300
Maximum operating temperature 1600
Apparent porosity% 0

Product features

1, cold isostatic pressing
2, Air pressure sintering
3, High compressive strength and flexural strength
4,Low thermal expansion coefficient
5, Excellent thermal shock resistance
6,non-stick aluminum and other non-ferrous metal melt
7, strong corrosion resistance

Applications


This product has been widely used in polysilicon reduction furnaces, military manufacturing, aviation, and power.
Dark Grey Polysilicon Ring Silicon Nitride Ceramics

Product Picture

  1. 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 ℃.
  2. Non-magnetic, electrical insulation, low thermal conductivity, can be used for insulating materials
  3. Low density (3.26G/CM3), light weight, higher strength and hardness than general ceramic materials, can be used as wear-resistant materials.

Dark Grey Polysilicon Ring Silicon Nitride Ceramics

Product packaging


Carton packaging or according to customer requirements
Dark Grey Polysilicon Ring Silicon Nitride Ceramics

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


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