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Atwill International Co., Ltd.
China Manufacturer with main products: Copper Mould Tube, Water Jacket, Mould Assembly for Ccm, Flange for Casting Machine, Graphite Electrodes |
Alumina Ceramic Ring
| Supply Ability: | 100,000 Piece/Pieces per Month |
|---|---|
| Shipping: | 3 days after confirm order |
| Payment Terms: | L/C, T/T |
Related products from verified members
| Export Markets: | North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe |
|---|---|
| Place of Origin: | Jiangsu in China |
| Packaging Details: | wooden case |
Specifications
Alumina Ceramic Ring
High-purity Alumina Ceramic Seal Ring
Specifications:
1. High density;
2. High hardness;
3. Low thermal conductivity;
4. Chemical inertness;
5 .Resistance to molten metals;
6. Good Wear resistance;
7. High fracture toughness;
8. Good insulation performance and high temperature resistance.
Chemical Properties:
| Table1: Technical Parameter Of Alumina Ceramics | |||||
| Item | Test condition | Unit& Symbol |
95% Alumina Ceramics |
99% Alumina Ceramics |
99.7% Alumina Ceramics |
|
The Main Chemical Ingredient |
Al2O3 | Al2O3 | Al2O3 | ||
| Bulk Density | g/cm3 | > 3.6 | 3.89 | 3.96 | |
| Maximum Use Temperature | o C | 1450 | 1600 | 1650 | |
| Water Absorption | % | 0 | 0 | 0 | |
| ROHS Hardness | ≥ 85 | ≥ 89 | ≥ 89 | ||
| Flexural Strength | 20 o C | Mpa(psi*103 ) | 358(52) | 550 | 550 |
| Compressive Strength | 20 o C | Mpa(psi*103 ) | 2068(300) | 2600(377) | 2600(377) |
| Fracture Toughness | K(lc) | Mpa m 1/2 | 4-5 | 5.6 | 6 |
| Coefficient Of Thermal Expansion | 25-1000 o C | 1*10 -6 /o C | 7.6 | 7.9 | 8.2 |
| Coefficient Of Thermal Conductivity | 20 o C | W/mk | 16 | 30.0 | 30.4 |
| Thermal Shock Resistance | Δ Tc | o C | 250 | 200 | 200 |
| Dielectricity Constant | 1MHz. 25 o C | 9 | 9.7 | 9.7 | |
| Dielectricity Strength | ac-kV/mm(ac V/mil) | 8.3(210) | 8.7(220) | 8.7(220) | |
| Volumn Resistivity | 100 o C | ohm-cm | > 1013 | > 1014 | > 1014 |
Applications:
1, ceramic shaft for aquatic animals equipment filter pump
2, Ceramic plunger for high pressure cleaner.
3,Wearlessness,resistant acid-base and high intensity ceramic assembly apply to petroleum ,chemical and chemical industry.
4,Wearlesness, corrosion resistance, thermostable parts apply to precision machine.
Service Guarantee
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Free Service Charge
ECVV doesn't charge any service fee to Buyers for buying this product.
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ECVV Supply
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Product Quality Commitment
ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.
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Deposit Service Commitments
In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.
After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.
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