Model NO.: HB
Material2: 95% Alumina
Using Purpose: Insulation
Trademark: HB
Transport Package: Wooden Box or Carton
Specification: ROHS
Origin: Jiangsu/China
HS Code: 6906000000
Alumina ceramic ignition Al2O3 igniterAlumina ceramic is one kind of structural ceramic with the performance of good insulation , high strength with accurate size . Using alpha high purity material, sintered by 1800°C, with unique molding method, Hongyi Ceramics provide wide series ceramic component with variety of specification , also we can make differnt items according your drawing and technical requirement.
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Features:
1.High Mechanical Strength
2.High Thermal Conductivity
3.High Spalling Resistance
4.High Softening Temperature
5.Excellent Insulativity
6.Etching Resistance
7. Durable&High adrasive properity
8. ensure stability againest frenquency and temperature
9. smooth
10. Exactitude dimension
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Property |
Unit | 92% Alumina Ceramic | 95% Alumina Ceramic | 99% Alumina Ceramic | |
| Density | g/cm3 | ≥3.63 | ≥3.68 | ≥3.83 | |
| Water absorption | % | O | O | O | |
| Sintering temperature | °C | 1500-1700 | 1600-1800 | 1700-1800 | |
| Hardness | HV | ≥1400 | ≥1500 | ≥1650 | |
| Flexural strength | Kgf/cm2 | 3000 | 3000 | 3000 | |
| Compressive strength | Kgf/cm2 | 24000 | 25000 | 26000 | |
| Fracture toughness | Map.m3/2 | 3~4 | 3~4 | 4~5 | |
| Maximum temperature | °C | 1600 | 1700 | 1800 | |
| Coefficient of thermal expansion | /°C | 8*10-6 | 8*10-6 | 8*10-6 | |
| Heat shock | T(°C) | 220 | 220 | 220 | |
| Thermal conductivity | W/m.k(25-300°C) | 25 14 | 25 14 | 25 14 | |
|  | 20°C |  | >1012 | >1012 | >1012 |
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