Wuxi Special Ceramic Electrical Co.,Ltd
High quality,small trial produce and quick delivery.
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3.9g cm3 Ceramic Al2O3 Aluminium Oxide Alumina Refractory Bricks Block Plate
Alumina ceramics are ceramic materials based on alumina (Al2O3) for thick film integrated circuits. Alumina ceramics have good conductivity, mechanical strength and high temperature resistance. It should be noted that ultrasonic cleaning is required. Alumina ceramics is a versatile ceramic. Because of its superior performance, it has been widely used in modern society, satisfying the needs of daily use and special performance.
date sheet
| Aumina Ceramic Properties | 96% Alumina Ceramic | 99% Alumina Ceramic | |
| Item | Unit | Typical Values | |
| Physical Properties | |||
| Color | White | Ivory | |
| Density | g/cm3 | 3.7 | 3.85 |
| Alumina Content | % | 96% | 99% |
| Gas permeability | 0 | 0 | |
| Water Absorption | 0 | 0 | |
| Mechanical Properties | |||
| Rockwell Hardness | HRA | 80 | 82 |
| Vickers Hardness (Hv50) | Gpa(Kg/mm²) | 15.7(1600) | 15.7(1600) |
| Flexural Strength(20°C) | Mpa | 300 | 330 |
| Compressive Strength(20°C) | Mpa | 2000 | 2000 |
| Modulus of Elasticity (20°C) | Gpa | 275 | |
| Poisson's Ratio (20°C) | 0.22-0.23 | ||
| Fracture Toughness(20°C) | MPam1/2 | 3.5 | 4 |
| Thermal Properties | |||
| Thermal Conductivity(20°C-400°C) | W(m.K) | 25 | 27.5 |
| Thermal Expansion Coefficient | 10-6/°C | 6.5-7.5 | 7.6 |
| Thermal Shock Resistance | T°C | 200 | 200 |
| Maximum Use Temperature | °C | 1600 | 1650 |
| Electronic Properties | |||
| Dielectric Strength | KV/mm | >12 | >10 |
| Dielectric Constant | Er | 9 | 9.1 |
| Dielectric Loss Angle(1MHz) | 0.0002 | 0.0002-0.0003 | |
| Volume Resistivity(20°C) | Ω.cm | >1014 | >1014 |
company information
Wuxi Special Ceramic Co.,Ltd mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics, assembling, insulation, chemicals, instrument, textile, nuclear industry, aerial field.We accept trial produce according to the drawing or sample.It usually takes 30 days to finish trial product.Mass produce usually takes 30 days.Goods' package is carton or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and Europe.Our aim is to deliver goods with high quality at quick delivery date.