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Yixing Feifan Ceramics Co.,Ltd
Yixing Feifan Ceramics Co.,Ltd Cooperation & Mutual Benefits
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Active Member
11 Years |
Certification : ROHS
MOQ : 2,000 PCS
Packaging Details : Several products in a carton, then wooden carte. Or following customers’ requirement.
Delivery Time : Depends on the quantity, always in a month.
Payment Terms : L/C、T/T、Western Union
Supply Ability : 5,000 PCS
Place of Origin : China
Brand Name : FFTC
Precision High Voltage 95% AL2O3 / Alumina Ceramic Tubes With Grind- Resist Capability
Description:
1. Fired through high temperature
2. Solid-resist
3. Good grind- resist capability
4. High voltage
5. High strength
Applications:
Our products can be used in mechanical,electronics,chemical,textile,aeronautic and other fields.
Specifications:
95%,99%,99.7% Al2O3 Material Parameters:
Item | Test Condition | Unit Symbol | 95%Alumina ceramics | 99%Alumina ceramics | 99.7%Alumina ceramics |
The main chemical ingredient | Al2O3 | Al2O3 | Al2O3 | ||
Bulk Density | g/cm3 | 3.6 | 3.89 | 3.96 | |
Maximum Use Temperature | 1450℃ | 1600℃ | 1650℃ | ||
Water absorption | % | 0 | 0 | 0 | |
ROHS Hardness | ≥85 | ≥89 | ≥89 | ||
Flexural strength | 20° C | MPa (psi x 103) | 358 (52) | 550 | 550 |
Compressive Strength | 20° C | MPa (psi x 103) | 2068 (300) | 2600(377) | 2600(377) |
Fracture Toughness | K(I c) | Mpa m1/2 | 4-5 | 5.6 | 6 |
Coefficient of thermal expansion | 25-1000° C | 1X 10-6/°C | 7.6 | 7.9 | 8.2 |
Coefficient of thermal conductivity | 20° C | W/m °K | 16 | 30.0 | 30.4 |
Thermal Shock Resistance | Tc | °C | 250 | 200 | 200 |
Dielectricity constant | 1MHz.25℃ | 9 | 9.7 | 9.7 | |
Dielectric strength | ac-kV/mm (ac V/mil) | 8.3 (210) | 8.7 (220) | 8.7 (220) | |
Volume Resistivity | 100℃ | ohm-cm | > 1013 | > 1014 | > 1014 |
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