Last Updated on December 27, 2021 by You Ling
Product: Alumina ceramic disc
Material: 99% alumina
Dimension: OD 18mm x TH 3mm
Roughness R0.2 for double surface
See the video as below:
How can I custom-made my ceramic for my project?
Step 1: Email/Call us to sending your requests. (Ceramic material requests, dimension, QTY…etc.)
Step 2: HE SHUAI company will send you a quotation based on your requests.
Step3: Confirmation PI/PO,Then make a payment.
Step 4: HE SHUAI company will produce it for you.
Here is the ceramic material for your optional:
| Items | Unit | 99% Al2O3 | ZrO2 | AIN | Si3N4 | SiC |
| Density | g/cm3 | 3.9 | 6 | 3.23 | 3.2 | 3.2 |
| Flexural Strength | Mpa | 340 | 1000 | 400 | 1000 | |
| Compressive Strength | Mpa | 3600 | 3000 | 3500 | 3600 | 2000 |
| Modulus of Elasticity | Gpa | 380 | 200 | 380 | 300 | 410 |
| Impact Resistance | Mpa.m1/2 | 5.1 | 6 | 4 | 7 | 4 |
| Wickers Hardness | HVO.5 | 1650 | 1200 | 1650 | 1600 | 2000 |
| Thermal Conductivity | W/mk | 27 | <2 | 260 | 30 | 70 |
| Highest working temperature | ℃ | 1750 | 1050 | 2200 | 1300 | 1300 |
| Volume Rosistivity at 20 ℃ | Ω.cm20 | >1014 | >1013 | >1014 | >1014 | >105 |
| Dielertric strength | KV/mm | 25 | 17 | 25 | 20 | 20 |
| Dielertric constant | 1MHZ | 9.5 | 30 | 8 | 9 | |
| Thermal expansion | X10-6/K | 5.4-8.3 | 10 | 4.0-6.0 | 3 | 4.5 |
