Main Products: Sic heating elements ,mosi2 heating elements ,silicon carbide heating elements ,sic products ,refractory ceramics
C221 Steatite ceramic terminal bead
USD $0.2 - $10 /Piece
Min.Order:1 Piece
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Shanghai Bochuan Silicon Carbon Rod Manufacturing Co., Ltd.
Business Type: Manufacturer,Trading Company
Shanghai ChinaMain Products: Sic heating elements ,mosi2 heating elements ,silicon carbide heating elements ,sic products ,refractory ceramicsProduct Details
C221 Steatite ceramic terminal bead
We mainly produce alumina tubes, rods and various industrial ceramic parts, which are mainly used in thermalcouple temperature, liquid steel continous temperature, various industrial furnace(containing vacuum furnace, carburizing furnace, wire furnace, atmosphere furnace etc), especially widely used in petrochemical, spinning, electric, instrumentation, mechanical workout, military project etc industry.
| Item | Testing condition | Unit | Steatite |
| Bulk density | g/cm3 | ≥2.6 | |
| Flexural Strength | N/m2×103 | 1.37 | |
| Coefficient of linear expansion | 20~800°C | ×10-6/°C | ≤8 |
| Permittivity | 1MHz | ≤7.5 | |
| 10GHz | / | ||
| Insertion loss | 1MHz | ×10-6 | ≤8.0 |
| 10GHz | ×10-6 | / | |
| Bulk density resistance | 100°C | Ω·Cm | >1012 |
| Puncture strength | KV/mm | 20 | |
| Thermal conductivity | 20°C | W/m·k | 2.9 |
| Material | 85 Al2o3 | 90 Al2o3 | 95 Al2o3 | 99 Al2o3 |
| Al2o3 | 85% | 90% | 93% | 99.30% |
| Fe2o3 | ≤ 1.0 | ≤ 0.5 | ≤ 0.5 | ≤ 0.3 |
| Desnsity: g / cm3 | 3.4 | 3.5 | 3.6 | 3.85 |
| Vickers Hardness | ≥ 8.6 | ≥ 8.8 | 9 | 9 |
| Water Absorption:% | ≤ 0.2 | ≤ 0.1 | ≤ 0.085 | ≤ 0.01 |
| Refractoriness:°C | 1580 °C | 1600 °C | 1650 °C | 1800°C |
| Flexural Strength:Mpa | 180 | 200 | 240 | 280 |
| Wear Rate( at room temperature, erosion, 100 grinding)% | ≤ 3 | ≤ 2.5 | ≤ 1 | ≤ 0.5 |
| Feature | Application | Main usage |
| 1.Great mechanical strength | Electric appliance industry Automotive industry | 1.Heat treatment furnace and toughened furnace |
| 2.High softening temperature | ||
3.Good resistance to thermal impact | ||
4.Small thermal expansion coefficient | Mechanical industry Engineer industry | 2.Inner liner tube and heating tube in electric furnace |
5.Good chill and abrupt heat properties | ||
| 6. Resistance to acid and alkali corrosion |
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