99.5% Al2O3 Precision Alumina Ceramic parts
1. 95%-99.9% Al2O3
2.High Thermal Conductivity
3.QA,rush delivery
4.MOQ:100pcs
99.5% Al2O3 Precision Alumina Ceramic parts
Features:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products, electric heating products and wear resistant machinery parts.
The ceramic electronic components: low loss at high frequency. Good insulating , high strength, , low dielectric constant, Great mechanical strength, high air tightness, high chemical stability, etc. We can produce all kinds of ceramic holders, Ceramic seal,ceramic substrate, ceramic tubes, ceramic pipe, ceramic ring,ceramic plate,Ceramic side bar, ceramic plunger, etc. Widely used in electronic components, electronic device and electric products. Our products meet the international standards.
1. 95%-99.9% Al2O3
2.High Thermal Conductivity
3.QA,rush delivery
4.MOQ:100pcs
99.5% Al2O3 Precision Alumina Ceramic parts
Features:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products, electric heating products and wear resistant machinery parts.
The ceramic electronic components: low loss at high frequency. Good insulating , high strength, , low dielectric constant, Great mechanical strength, high air tightness, high chemical stability, etc. We can produce all kinds of ceramic holders, Ceramic seal,ceramic substrate, ceramic tubes, ceramic pipe, ceramic ring,ceramic plate,Ceramic side bar, ceramic plunger, etc. Widely used in electronic components, electronic device and electric products. Our products meet the international standards.
Serial number | performance index | Measuring unit | High purity alumina | Alumina | High alumina |
1 | Al2O3 | % | 99.7 | 99.3 | 85 |
2 | SiO2 | % | less than0.1 | - | - |
3 | Density | g/cm3 | 3.95 | 3.88 | 3.2 |
4 | Water absorption | % | 0 | 0.01 | 0.2 |
5 | Cold compressive strength | MPa | 450 | 350 | 200 |
6 | 20 degree Celsius leak rates | Torr/L.sec | less than10-11 | less than10-11 | less than10-11 |
7 | Twisting in high temperature | mm | 1700 degree Celsius 0.2 allowance | 1600 degree Celsius 0.2 allowance | 1400 degree Celsius 0.2 allowance |
8 | Bonding in high temperature | 1700 degree Celsius non-caked | 1600 degree Celsius non-caked | 1400 degree Celsius non-caked | |
9 | 20-1000 degree Celsius coefficient of thermal expansion | mm.10-6/degree Celsius.m | 8.6 | 8.2 | 8.2 |
10 | Thermal conductivity | W/m.k | 25 | 25 | 25 |
11 | Electric insulation strength | KV/mm | 20 | 20 | 15 |
12 | 20 degree Celsius direct current insulating resistance | Ohm/cm | 1014 | 1014 | 1014 |
13 | High-temperature insulation resistance | 1000 degree Celsius MΩ | ≥0.08 | ≥0.08 | ≥0.08 |
1300 degree Celsius MΩ | ≥0.02 | ≥0.02 | ≥0.02 | ||
14 | Thermal shock resistance | 1550 degree Celsius 6 times not cracked | 1550 degree Celsius 6 times not cracked | 1300 degree Celsius 3 times not cracked | |
15 | Maximum service temperature | degree Celsius | 1900 | 1800 |