- Product Details
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Quick Details
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Brand Name:
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Atcera
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Product name:
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Ceramic Washer
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Size:
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As Drawing Requests
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Working temperature:
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Max 1600℃
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Compressive Strength:
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145-350Mpa
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Density:
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3.65 - 3.90G/cm3
Quick Details
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Material:
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Alumina Ceramic
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Place of Origin:
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Hunan, China
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Model Number:
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Atcera
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Brand Name:
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Atcera
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Product name:
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Ceramic Washer
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Size:
-
As Drawing Requests
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Working temperature:
-
Max 1600℃
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Compressive Strength:
-
145-350Mpa
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Density:
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3.65 - 3.90G/cm3
Ceramic gasket is a material with high thermal conductivity, which is mainly used for heat transfer and electrical isolation between power devices and heat sinks.
Excellent sealing performance, can achieve the ideal effect of dust, water, heat conduction, insulation, and can adapt to high temperature, high pressure, dust and harsh working environment, improve the safety and stability of equipment operation.
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Alumina Ceramic Properties
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95%Al2O3
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99%Al2O3
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99.5%Al2O3
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Item
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Unit
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Typical Values
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Physical Properties
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Color
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White
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Ivory
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yellow
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Density
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g/cm3
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>3.6
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3.89
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3.96
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Alumina Content
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%
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95%
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99%
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99.50%
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Gas permeability
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0
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0
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0
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Water Absorption
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0
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0
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0
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Mechanical Properties
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MONS' Hardness
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Grade
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9
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9
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9
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Rockwell Hardness
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HRA
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≥85
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≥89
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≥89
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Vickers Hardness (Hv50)
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Gpa(Kg/mm²)
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15.7(1600)
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15.7(1600)
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15.7(1600)
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Flexural Strength(20°C)
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psiX103
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358
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550
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550
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Compressive Strength(20°C)
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psiX103
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2068(300)
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2600(377)
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2600(377)
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Modulus of Elasticity
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Gpa
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275
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Fracture Toughness(20°C)
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Mpa.m3/2
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4.3
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5.6
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6
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Thermal Properties
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Thermal Conductivity(20°C)
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W(m.K)
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16
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30
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30.4
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Thermal Expansion(25-1000°C)
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1X10-6/℃
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7.6
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7.9
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8.2
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Maximum Use Temperature
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°C
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1450
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1600
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1650
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Thermal shock resistance
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°C
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250
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200
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200
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Electronic Properties
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Volume resistivity（100°C）
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Ohm/cm2
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>1013
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>1014
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>1014
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Dielectric breakdown strength
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KV/mm
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8.7(220)
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8.7(220)
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8.7(220)
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Dielectric Constant
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Er
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9
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9.7
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9.7
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Dielectric constant (100MHz)
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Er
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9.5
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Hunan Atcera CO. Ltd. has been deeply engaged in the field of advanced ceramics for 12 years, and has production experience of more than 2000 precision ceramic products. We focus on the material of alumina ceramics, aluminum nitride ceramics, zirconia ceramics, silicon carbide ceramics, boron carbide ceramics, silicon nitride ceramics, boron nitride ceramics, quartz, etc., and aim to provide you with advanced ceramics one-stop service.We have been offering our products and services to our clients from more than 100 countries or regions.
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