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High purity Alumina Ceramic Disc Valve Alumina Ceramic Disc Fitting Ceramic Disc Valve
Features:
1.Good thermal shock properties
2.low thermal expansion
3.low thermal conductivity
4.lightweight
5.Excellent mechanical strength
6.Excellent rigidity
7.Can be used up to 1200°C(approx)
Alumina ceramics with superior strength, hardness, insulation, thermal conductivity, high temperature, oxidation resistance, corrosion resistance, abrasion resistance, high temperature strength and other characteristics, it has been widely used in engineering, mechanical seals, electronics, instrumentation, sensing, transport,communications, and other occasions or areas. The content of 99.7%, 99%, 95% alumina products contains the crucible, sockets, valves, electrodes, spools, wear board, alumina balls, electronic porcelain, textile porcelain pieces, and other shaped pieces.




| Item | Unit | 95Al2O3 | 99Al2O3 | |
| Physical Characteristics | Heat resistance | ℃ | 1500 | 1800 |
| Bulk density | g/cm3 | 3.6 | 3.9 | |
| Water absorption | % | 0 | 0 | |
| Mechanical Characteristics | Flexural strength | Mpa | 320 | 360 |
| Hardness vickers | Gpa | 12.2 | 15.6 | |
| Elastic modulus | Gpa | 280 | 370 | |
| Poisson’s ratio | 0.22 | 0.23 | ||
| Thermal Characteristics | Linear expansion coefficient | (20-500℃) 10-6/℃ | 7.1 | 8 |
| Thermal conductivity | w/(m.k) | 16 | 32 | |
| Specific Heat | *10-3J/(kg*K) | 0.78 | 0.9 | |
| Electrical Characteristics | Dielectric constant (1MHZ) | - | 9 | 9.9 |
| Dielectric loss angle | *10-4 | 15 | 1 | |
| Dielectric strength | *106V/m | 12 | 15 |
1.Various of specifications available

Located in Hunan province, Global New Material Technology Co., is specialized in the R&D, manufacturing and marketing of special ceramics. It covers an area of 6000 square meters and staffed with over more than 50 workers. The main products are electronic ceramics, metallized ceramics, structural ceramics, such as ceramic tubes, ceramic valves, ceramic insulators, ceramic crucibles, ceramic balls, etc. The products has wide industrial use in textile, machinery, electric appliances, communications, auto parts, etc. We offer OEM and ODM service.
With strict quality control and our best service, the products have been sold well on the domestic market and exported to many countries in North America, Europe, Middle East, South East Asia, etc.



Why us?
- Professional manufacturer since 2010.
- Strict quality control on production process and tolerance.
- Free samples available
- Customized production based on your drawing or specification
- On-time delivery and reliable support and service
- Inventory available for quick shipment
- We keep confidentiality of all the drawings and business information between us.
Are you a trading company or a manufacturer?
-We are a trading company and a manufaturer.
Can you provide the free samples?
-Yes,we can offer free sample if we have it in stock,but the courier fee is to be collected.
Do you accept customized production based our specification?
-Yes,we offer OEM and ODM service. Just send us your drawing if you have it. If you don’t have a drawing, just tell us your idea, we will work out the drawing for you.
What's the delivery time?
- 7 working days for standard products 30 days for customized products.
What is the MOQ?
- No limit to the quantity. We can offer the best proposal and solutions according to your condition.
What is the payment terms you accept?
- T/T,LC,Western Union,moneygram are acceptable.
How to deal with the faulty?
- Our product are produced in strict quality control system and the defective rate will be less than 2%.
If there are problems with the product, we will provide free replacement.

High Purity Alumina Ceramic Disc Valve Alumina Ceramic Disc Fitting Ceramic Disc Valve
High Purity Alumina Ceramic Disc Valve Alumina Ceramic Disc Fitting Ceramic Disc Valve
High Purity Alumina Ceramic Disc Valve Alumina Ceramic Disc Fitting Ceramic Disc Valve
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