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Alumina Refractory Material
Special Ceramic Refractory Porcelain Alumina Ceramic Rod
| US$2.80 - 8.80 | 50 Pieces (MOQ) |
Port:
Shenzhen, China
Production Capacity:
500000PCS/Year
Payment Terms:
T/T, Western Union, Paypal
Shenglong Electric Heating Technology Co., Ltd.
Guangdong, China
Last Login Date:
Aug 04, 2025
Main Products:
Cartridge Heater, Fryer Heaters, Immersion Heaters, Hot Runner Heaters, Silicone Rubber Heaters, Finned Heaters, Band Heaters, Cast in Heaters, Halogen Heaters, Ceramic Heaters
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Product Description
Company Info
Basic Info.
Refractoriness (℃)
1580< Refractoriness< 1770
Shape
Type
Alumina Ceramic
Material
Alumina Ceramic
Transport Package
Wooden Case with Foam Filled
Specification
Origin
China
Product Description
Alumina ceramic features:
1.High strength and hardness
2. Good wear resistance
3. Insulation, corrosion resistance
4. High lubrication and low resistance
| Name of the materials | 99% aluminium oxide | 95% aluminium oxide | Zirconia | ||
| Main ingredients | 99% Al2O3 | 95% Al2O3 | ZrO2 | ||
| The material properties | Density | g/cm3 | 3.9 | 3.6 | 6 |
| sintering temperature | ºC | 1700 | 1680 | 1600 | |
| physical property | Hardness | HV | 1700 | 1500 | 1300 |
| rupture strength | kgf/cm2 | 3500 | 3000 | 11000 | |
| compressive strength | kgf/cm2 | 30000 | 25000 | 25000 | |
| fracture toughness | Mpa.m3/2 | 4 | 3-4 | 3-4 | |
| thermodynamic property | maximum servise temperature | ºC | 1500 | 1450 | 1300 |
| Heat resisting impact | T(ºC) | 200 | 220 | 360 | |
| pyroconductivity | w/m.k | 31.4 | 25 | 3 | |
| (25ºC-300ºC) | 15.9 | 14 | 14 | ||
| Appliance property | Volume Resistance /20ºC | Ω/cm2 | >1012 | >1012 | >1012 |
| Volume Resistance /100ºC | 1012-1013 | 1012-1013 | 1012-1013 | ||
| Volume Resistance /300ºC | >1012 | >1012 | 5x109 | ||
| Dielectric Strength | kv/mm | 18 | 18 | 18 | |
| Dielectric constant(100MHZ) | (E) | 10 | 9.5 | 9.5 | |
| Dielectric tangent | (tgδ) | 0.4x10-3 | 0.4x10-3 | 0.4x10-3 | |
Tolerance&precision
Alumina Ceramic Application:
Customize-designed to meet your requirements,more detail ,pls feel free to contact us:
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