Yixing Weite Chinaware Co., Ltd
| Supply Ability | 100000 per month |
| Packaging Details | carton |
| product name | Insulation ring |
| Material | Silicon nitride ceramics |
| colour | dark grey |
| Features | High temperature and high strength |
| Application | Polycrystalline silicon reduction furnace |
| Thermal expansion coefficient | 3.2×10-6/K |
| Brand Name | Weite ceramics |
| Model Number | 024 |
| Certification | ISO9001 |
| Place of Origin | Jiangsu, China |
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Product Specification
| Supply Ability | 100000 per month | Packaging Details | carton |
| product name | Insulation ring | Material | Silicon nitride ceramics |
| colour | dark grey | Features | High temperature and high strength |
| Application | Polycrystalline silicon reduction furnace | Thermal expansion coefficient | 3.2×10-6/K |
| Brand Name | Weite ceramics | Model Number | 024 |
| Certification | ISO9001 | Place of Origin | Jiangsu, China |
| High Light | Silicon Nitride Ceramics Ring ，ISO Ceramics Ring | ||
Silicon Nitride Insulating Ceramic Silicon Nitride Insulating Ring
Silicon nitride ceramics have high strength, especially high-purity silicon nitride, which is one of the hardest substances in the world.
| Material Project | Alumina AL203 | Silicon carbide sic | Silicon nitride sin | Silicon nitride sin | ||||
| Color | Ivory | black | black | Milky white, gray black | ||||
| Content(%) | 99.5 | …… | …… | …… | ||||
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| Density | Kg/m³ | 3.9*10 | 3.16*10 | 3.3*10 | 6.0*10 | |||
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Mechanical behavior
| Vickers hardness | Gpa | 16.0 | 23.0 | 14.0 | 13.2 | 12.7 | |
| Flexural strength | Mpa | 360 | 450 | 1020 | 1000 | 1470 | ||
| Compressive strength | Mpa | 2350 | …… | …… | …… | …… | ||
| Fracture toughness | Mpa | 4 | 2-3 | 7 | 4-5 | 4-5 | ||
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Thermal performance
| Linear expansion coefficient | 40-400℃ | ×10-5/℃ | 7.2 | 3.7 | 2.8 | 10.5 | 10.8 |
| 40-800℃ | 8.0 | 4.4 | 3.3 | 11.0 | 11.3 | |||
| Thermal conductivity | W/(m·k) | 32 | 200 | 27 | 3 | 3 | ||
| Specific heat | J/(kg·k) | 0.78*10 | 0.67*10 | 0.65*10 | 0.46*10 | 0.46*10 | ||
| Thermal shock resistance (in water) | ℃ | 250 | …… | ＞800 | 300 | 350 | ||
| Electrical performance | Dielectric strength | V/m | 15*105 | …… | 13*105 | 11*105 | …… | |
| Volume resistance(20℃) | Ω·cm | ＞1014 | 108 | 1014 | 1013 | …… | ||
| Dielectric constant | …… | 9.6 | …… | 9.9 | 33 | …… | ||
| Loss factor | ×10-4 | 10 | …… | …… | 520 | …… | ||
1. High temperature and high strength
2. Good thermal shock stability
3. Good fatigue toughness
4. High bending strength at room temperature
5. Wear-resistant and corrosion-resistant
This product has been widely used in polysilicon reduction furnaces, military manufacturing, aviation, and power.
Very strong corrosion resistance, can be used in strong acids and alkalis, soluble in hydrofluoric acid but does not react with other organic acids.
Packed in carton
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Seller
Employee Number:
>50
Ecer Certification：
Active Member
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