99% al2o3 alumina insulator ceramic tube
Product Description
Ceramic Plunger /Ceramic Bushing /Ceramic
Description :
Material : 95%-99% (AL2O3) Alumina Ceramics
Producing Method: Hot pressing /Dry pressing
Color : White
Packing : Carton /Pallet/Wooden case (According to clients requirement )
Delivery time : Standard Product-Within 3 days
New developed items :--15days
Items Design: According to client’s drawing or samples
Alumina Ceramics Technical Parameter
Alumina Content | 80-85% | 90-96% | > 99.5% | 99% | |
General Application | Lower Cost Electrical & Mechanical | High Strength, Wear Resistant, Electronic, Insulating, Mechanical, Structural & Metalizing | Extremely High Purity, Temperature & Strength; Excellent Corrosion & Wear Resistance | Porous, Easily Degassed & Machinable | |
Porosity | % | 0-.05 | 0-.05 | 0-.05 | Variable |
Density | gm/cm3 | 3.45-3.50 | 3.55-3.75 | 3.75-3.95 | 2.4 |
Flexural Strength | kpsi | 35.0-40.0 | 40.0-50.0 | 50.0-55.0 | - |
Comprehensive Strength | kpsi | 260.0 | > 300.0 | > 300.0 | - |
Tensile Strength | kpsi | 15.0-20.0 | 20.0-28.0 | 20.0-28.0 | - |
Linear Coefficient of Thermal Expansion | (cm/cm/°C) 25-300°C 25-700°C | 5.9X10-6 6.5X10-6 | 6.3X10-6 7.0X10-6 | 6.5X10-6 7.5X10-6 | 6.5X10-6 7.5X10-6 |
Dielecctric Constant at 25°C | 1 MH 10 MH | 8.5-8.9 8.4-8.8 | 9.2-9.8 9.0-9.6 | 9.5-9.9 9.3-9.7 | - |
Dielectric Strength | Volt/mil | 200 | 225 | 225 | - |
Te Value | °F °C | 1472 800 | > 1832 > 1000 | > 1832 > 1000 | > 1832 > 1000 |
Thermal Conductivity at 25°C | cal/sec/cm2/cm/°C | .03-.04 | .04-.06 | .07-.08 | - |
Thermal Shock | Good | Good | Good | Good | |
Safe Use Temperature | °F °C | 2550 1400 | 3000-3100 1650-1700 | 3275 1800 | 3275 1800 |
Specification :
We manufactures custom technical ceramics, covering a wide range of customer requirements .We make use of several forming and machining techniques to process components made from alumina Ceramics, This material may be used in applications that require High elevated temperatures ,High dielectric strength, excellent electrical resistance . wear or corrosion resistance .high temperature capability .High Electrical insulation.
Applications :
Electric appliance industry/Automotive industry/Mechanical industry
Engineering industry/Electrical heating element industry/LED Lighting Industry
Contact us if you need more details on Alumina Tube. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Alumina Ceramic Heater Element、Ceramic Heater Element. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : Hot Sale Ceramic > 99% Alumina Ceramics
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