Custom Alumina Ceramic Machinable Disc Block 99.7% Al2o3 Valve Disk
Product Description
Advantages of Alumina Ceramic Valve Block:
1. Refractory.
2. Self Lubricating.
3. Long Service Life.
4. Good Polished Surface.
5. Environmental and Healthy.
6. Superior Mechanical Strength.
7. High Corrosion and Wear Resistance.
8. Good Insulation Performance Precision.
9. High Temperature and Pressure Resistance.
10. High Purity Zirconia and Alumina Ceramic Material.
- High hardness, long service life, not easy to break and wear
resistance.
- Non-conductive, anti-static, ceramic material itself with the
insulation of electricity and magnetism properties.
- Corrosion resistance, high temperature resistance, can be applied
to a specific environment, such as acid and alkali resistance.
Specification
| Shaping methods | Dry pressing, injection, hot pressing, ISO pressing | Precision capability | Fine grinding, CNC maching |
| Size capability | Max. OD300mm, ID1mm | Tolerance | Best to be 0.001mm |
| Color option | White, black, bule, yellow | Surface finish | Polishing, glazing |
| Visual quality: Smooth & finest surface, without any crack, porous, contamination |
Properties Sheet:
| Properties | Units | 95 Alumina | 99 Alumina | Zirconia |
| Density | ɡ / cm3 | 3.65 | 3.92 | 5.95 - 6.0 |
| Water Absorption | ％ | 0 | 0 | 0 |
| Coefficient of Thermal Expansion | 10-6 / K | 7.9 | 8.5 | 10.5 |
| Modulus of Elasticity Young’s Mod | Gpa | 280 | 340 | 210 |
| Poisson’s Ratio | / | 0.21 | 0.22 | 0.3 |
| HV Hardness | Mpa | 1400 | 1650 | 1300 - 1365 |
| Flexural Strength @ Room Temperature | Mpa | 280 | 310 | 950 |
| Flexural Strength @ 700℃ | Mpa | 220 | 230 | 210 |
| Compressive Strength@Room Temperature | Mpa | 2000 | 2200 | 2000 |
| Fracture Toughness | Mpa * m½ | 3.8 | 4.2 | 10 |
| Heat Conductivity @ Room Temperature | W / m * k | 18 - 25 | 26 - 30 | 2.0 - 2.2 |
| Electrical Resistivity @ Room Temperature | Ω*mm2 / m | ＞1015 | ＞1016 | ＞1015 |
| Max Application Temperature | ℃ | 1500 | 1750 | 1050 |
| Resistance to Acid Alkaline | / | High | High | High |
| Dielectric Constant | / | 9.5 | 9.8 | 26 |
| Dielectric Strength | KV / mm | 16 | 22 | / |
| Thermal Shock Resistance | Δ T ( ℃ ) | 220 | 180 - 200 | 282 - 350 |
| Tensile Strength @ 25℃ | Mpa | 200 | 248 | 252 |
Produce and machining
We can produce different sizes and shapes of the sheets for
specific applications to different custom products.Such as
drilling, polishing, stripes, concave and convex, screw holes,
metal parts position and so on
1. Can Be Custom By Drawing Or The Parameter
2.Can Be Offer a Samples Within 1--10 Qty
3. The Shipping Time Of The Samples Within 2days
4. Quick Delivery Via Fedex,Dhl,Ups,Tnt Etc.
For more informations (the price,payment etc), Please contact us or email: admin@cerampart.com
Application
Ceramic block can be used for a device or equipment in the special
environment such as Power isolation, high temperature protection,
durable wear, high and low temperature impact etc...and for the
different device should be requiry different ceramic block shapes,
like: some device need the round sheet be machining 8 hole to
fasten to the box.
Detailed Images
Related Products
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Packaging and Shipping
High hardness ceramic block al2o3 99% will be packed in a bubble
bag individually, then separated by a foam, finally put in standard
export carton packing, or OEM packing.
Shipped by Express ( DHL, TNT, UPS, Fedex, EMS ), Air, or Sea transportation.
Company information
Who Are We?
Mingrui has professional OEM experience in manufacturing industrial application ceramic parts for so many years. We can make the products according to your drawings, custom the size,
thickness and other parameters.
.
What Do We Do?
We have very advanced technologies in the production of zirconia and alumina ceramic nozzle, rod, ring, tube, shaft, plate,
sleeve, valve, plunger, bearing, and semiconductive ceramics etc.. They are applicable to Electrical, Appliance, Oil & Gas, Energy &
Power, Food & Medical, Agriculture, Aerospace,
even other High-end fields.
.
Our products with some certificates, such as , CE, TUV, etc..
Factory Show
Production Process Show
One-stop production, from the raw material ( powder ) to final
products, control the quality strickly of every production link.
