Zhengzhou Rongsheng Refractory Co., Ltd.
| Brand Name | Rongsheng |
| Model Number | Refractory Brick |
| Certification | ISO9001 |
| Place of Origin | Henan China |
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Product Specification
| Brand Name | Rongsheng | Model Number | Refractory Brick |
| Certification | ISO9001 | Place of Origin | Henan China |
| High Light | Microelectronics Industry Beryllium Oxide Ceramic ，Microelectronics Industry Beryllium Oxide Ceramic ，Microelectronics Industry BeO Ceramic | ||
Beryllium Oxide Ceramic
We mainly produce beryllium oxide, boron nitride, silicon carbide, corundum mullite ceramic, A-75 ceramic, A-95 ceramic, A-96 ceramic, A-99 ceramic and other ceramic products, which are widely used in aerospace, microelectronics, optoelectronics, communications, electric vacuum and power electronics industries, among which the production technology of beryllium oxide ceramics represents the highest level in China, and the product performance indexes reach the world advanced level.
Technique Data of Beryllium Oxide Ceramic
| Item | Test Conditions | Specification | Unit | |
| B-97 | B-99 | |||
| Dielectric Constant | 1MHz | 6.9士0.4 | 6.9士0.4 | |
| (10士0.5)GHz | ||||
| Dielectric Loss Tangent | 1MHz | ≤4X 10-4 | ≤4X 10-4 | |
| (10士0.5)GHz | ≤8X 10-4 | ≤8X 10-4 | ||
| Volume Resistivity | 25℃ | ≥1014 | ≥1014 | Ω.cm |
| 300℃ | ≥10" | ≥10" | ||
| Breakdown Strength | D C | ≥15 | ≥20 | kV/mm |
| CMOR | - | ≥170 | ≥190 | MPa |
| Average Linear Expansion Coefficient | 25℃~500℃ | (7.0~8.5)*10-4 | (7.0~8.5)*10-4 | I/K |
| Thermal Conductivity | 25℃ | ≥200 | ≥240 | W/m.K |
| 100℃ | ≥160 | ≥190 | ||
| Thermal Shock Resistance | 0℃-800℃ | There should be no cracks | ||
| Bulk Density | ≥2.85 | ≥2.85 | g/ cm3 | |
| Chemical Stability | 1:9HCL | ≤0.3 | ≤0.3 | Mg/cm2 |
| 10% NaOH | ≤0.2 | ≤0.2 | ||
| Air Tightness | - | ≤10*10-11 | ≤10*10-11 | Pa. m3/s |
| Average Grain Size | - | 12~30 | 12~30 | μm |
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
20000000-50000000
Employee Number:
101~150
Ecer Certification：
Verified Supplier
Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc. <p style="... Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc. <p style="...
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