High dielectric strength Abrasion Excellent electrical resistance Alumina Ceramic - Product

Place of Origin : Shanghai,China
Delivery Time : 7-20 Days

Product Description

High dielectric strength Abrasion Excellent electrical resistance Alumina Ceramic Material: Alumina Ceramic
Forming: Dry pressing
Size:According to client's drawing

Performance:
1). Material: 99% Al2O3
2). Forming method: hot pressure casting

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 |

Physical Specification

Other Specification : High Dielectric Strength Abrasion Excellent Electrical Resistance Alumina Ceramic Material: Alumina Ceramic Forming: Dry Pressing Size:According To Client's Drawing Performance: 1). Material: 99% Al2O3 2). Forming Method: Hot Pressure Casting 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 | | | 1450C | 1600C | 1650C | 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.25C | | 9 | 9.7 | 9.7 | Dielectric Strength | | Ac-kV/mm (ac V/mil) | 8.3 (210) | 8.7 (220) | 8.7 (220) | Volume Resistivity | 100C | Ohm-cm | > 1013 | > 1014 | > 1014 | - - - - High At Elevated Temperatures High Dielectric Strength Excellent Electrical Resistance Abrasion Resistance Alumina Ceramic

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