High Resistance Alumina Ceramic Tube
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- Supplier: Yixing Zhong Run Ceramics Technology Co. Ltd.
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Product Overview
Description
Description :
Material : 95%-99% (AL2O3) Alumina Ceramics
Item : High Resistance Alumina Ceramic Tube
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
Company Information
Moulding
The moulding methods are manual, automatic and dry pressing. Ceramics are made by these three methods.
Sintering
Our company has two kilns, which have advantages in similar enterprises. We can burn more ceramic insulator bead in a short time.
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