Basic Info.
Model NO.
YN3002
Type
Ceramic Parts
Color
White, Ivory, Yellow, Pink, Cream
Shape
Square, Tubular, Oval, Rectangular, Half
Use
Thermocouples, Furnace, Temperature Measurement
Temperature
1400c, 1500c, 1600c, 1700c, 1800c
Machining of Ceramic Tube
Drill Hole, Notch or Slot, Flange, Collar, Thread
Material
Alumina Ceramic
Transport Package
Plywood Case
Specification
customized
Trademark
Yunnuo
Origin
China
HS Code
8547100000
Production Capacity
5000000 PCS Per Year
Packaging & Delivery
Package Size
10.00cm * 10.00cm * 3.00cm
Package Gross Weight
0.020kg
Product Description
Alumina ceramic components
Alumina ceramic (Aluminum Oxide or Al2O3) is an excellent electrical insulator and one of the most widely used advanced ceramic materials. Additionally, it is extremely resistant to wear and corrosion. Alumina components are used in a wide range of applications such as electronics, pump components and automotive sensors.
Process of production:
uniaxial (die) pressing, isostatic pressing, injection molding, extrusion and slip casting ect.
Properties:
* Good electrical insulation
* High mechanical strength
* Excellent wear resistance
* Excellent corrosion resistance
* Low dielectric constant
* High mechanical strength
* Excellent wear resistance
* Excellent corrosion resistance
* Low dielectric constant
Applicatons:
* Special environment and electronic substrates
* Pump seals and other components
* Wear resistant inserts
* Insulating washers or bushings
* Semiconductor components
* Aerospace components
* Automotive sensors
* Electrical or electronic insulators
* Wear resistant inserts
* Insulating washers or bushings
* Semiconductor components
* Aerospace components
* Automotive sensors
* Electrical or electronic insulators
Material data:
| AL2O3% | 60 | 75 | 80 | 85 | 92 | 95 | 99 | 99.7 |
| Bulk Density (g/cm3) | 3.0 | 3.1 | 3.3 | 3.4 | 3.6 | 3.7 | 3.81 | 3.91 |
| Flexural strength (MPa) | 205 | 280 | 215.7 | 230 | 312 | 304 | 340 | 370 |
| Linear expansion coefficient (×10-6/C)(25-800C) | 7.1 | 7.6 | 7.6 | 7.6 | 7.5 | 7.3 | 7.6 | 7.6 |
| Thermal conductivity [w/(m.R)] | 16 | 17 | 17 | 17 | 18 | 20 | 34 | 35 |
| Dielectric strength (KV/mm) | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Volume resistivity (Ω.cm) 20C | >1014 | >1014 | >10 14 | >1014 | >1014 | >1014 | >1014 | >1014 |
| 300C | >1013 | >1013 | >10 13 | >1013 | >1013 | >1012 | >1010 | >1010 |
| Max C | 1350 | 1100 | 1300 | 1350 | 1500 | 1600 | 1700 | 1800 |
| Moh's hardness | 7.5 | 7.5 | 7.5 | 7.5 | 8.5 | 8.8 | 9 | 9 |
| Refractoriness | 1800 | 1700 | 1800 | 1850 | 1920 | 2000 | 2030 | 2040 |
