Application: | High-Pressure Seals, Rotary Seals, Valve Seals |
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Material: | Alumina Ceramic |
Production Process: | Dry Pressing |
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Product Parameters
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Physical Property |
Material
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95% Alumina
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Production Process
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Dry Pressing
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Product Dimension
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Per customers' drawing
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Density (g/cm3)
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3.70-3.75g/cm3
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Water Absorption
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0%
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Mechanical Performance |
Flexural Strength (Mpa)
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310Mpa
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Modulus of Elasticity (Gpa)
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310Gpa
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Hardness (Gpa)
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12.9Gpa
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Poisson Ratio
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0.23
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Thermal Character |
Linear Thermal Expansion Coefficient
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7.2
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Heat Conductivity (W/mk)
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23
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Electrical Property |
Dielectric Constant
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9.2
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Dielectric Loss Tangent(x10-4)
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8
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Insulation Strength(x106v/N)
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15
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Metalized Ceramic Performance |
Air Tightness (Pa·m3/s)
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<10-8
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Bulk Resistivity (Ω·cm)
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>1010(20°C),>106 (300°C)
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Bonding Strength (Mpa)
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>120Mpa
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Metallization Thickness(μm)
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>20μm
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