High mechanical strength high wear resistance alumina ceramic disc
1. Description
Alumina ceramic is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance,but relatively low strength and fracture toughness.Alumina ceramic is generally white but may also be pink or ivory.The color is derived from either the sintering additives or impurities in the raw materials.
2.Main 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 and electric heating products
7) OEM, ODM and OBM are welcomed
high temperature 99% alumina al2o3 ceramic nozzles
Typical Uses
Gas laser tubes
Wear pads
Seal rings
High temperature electrical insulators
High voltage insulators
Furnace liner tubes
Thread and wire guides
Electronic substrates
Ballistic armor
Abrasion resistant tube and elbow liners
Thermometry sensors
Laboratory instrument tubes and sample holders
Instrumentation parts for thermal property test machine
3.Data Sheet
| Properties | Unit | Steatite ceramic | 95% Al2O3 | 99% Al2O3 | Zirconia Ceramic |
| Density | g/cm³ | 2.7 | 3.6 | 3.8 | 5.6 |
| Flexural strength | Mpa | 145 | 300 | 300 | 354 |
| Hardness | Gpa | 5.7 | 7 | 10.7 | 12.3 |
| Elastic modulus | Gpa | 120 | 275 | 320 | 205 |
| Poissons ratio | - | 0.21 | 0.22 | 0.22 | 0.30 |
| Linear expansion coefficient | x 10-6/℃ | 7.9 | 7.1 | 7.8 | 9 |
| Thermal conductivity | w/(m.k) | 2.5 | 20 | 25 | 2.5 |
4.FAQ
1. How can I get an offer?
You can send your drawing with technology requirements and mark your purchase quantity.it is much better if you could offer the usage information about products, We will confirm the most suitable material and quote our best price to you in 24 hours.
2. Can you accept OEM & ODM?
Yes, we can produce the products according to your demand and drawing.
3. Can you provide free samples?
Yes, we can provide the sample for free, but the freight and mold fee are on your side.
4. What’s the lead-time for samples?
Within 3-7 days for bulk order, 10-15 days for OEM designs and shapes.
5. What’s your production Lead-time for bulk order?
Generally it takes 20-30 days and 25-35 days in peak season.
6. What are your payment terms?
In generally, we quote FOB Shanghai price, payment 30% deposit by T/T in advance, 70% balance paid within 7 days against shipping documents. It balances against Weston Union, L/C or Paypal etc. (Payment can be negotiated, kindly to contact with us)
