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| Categories | Machinable Ceramic Block |
|---|---|
| Brand Name: | Mingrui |
| Model Number: | Customer's Requirements |
| Certification: | ISO9001, , CE, UL, TUV |
| Place of Origin: | China |
| MOQ: | 10 pieces |
| Price: | negotiable |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram, D/P, D/A |
| Supply Ability: | 5000 pieces month |
| Delivery Time: | 15-20 working days after the order confirmed |
| Packaging Details: | wooden packing/export box |
| Color: | White, yellow,or customized |
| Dimension: | Custom |
| Bendin Strength: | >=274Mpa |
| Delectric Constant: | 9-10 |
| Tolerance: | 0.001mm |
| Dieletric Loss: | <=3*10^4 |
| Material: | Alumina Ceramic |
| Corrosion Resistence: | Excellent |
Resistant To High Temperature Alumina Ceramic Insulation Brackets
Material: 95%-99% alumina ceramic
Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, 200T isostatic pressing and extrusion productive technology etc.
| 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 | 1450°C | 1600°C | 1650°C | ||
| Water absorption | % | 0 | 0 | 0 | |
| ROHS Hardness | ≥85 | ≥89 | ≥89 | ||
| Flexural strength | 20° C | MPa (psi x 103) | 358 (52) | 550 | 550 |
| Compressive Strength | 20° C | MPa (psi x 103) | 2068 (300) | 2600(377) | 2600(377) |
| Fracture Toughness | K(I c) | Mpa m1/2 | 4-5 | 5.6 | 6 |
Coefficient of thermal expansion | 25-1000° C | 1X 10-6/°C | 7.6 | 7.9 | 8.2 |
Coefficient of thermal conductivity | 20° C | W/m °K | 16 | 30.0 | 30.4 |
| Thermal Shock Resistance | Tc | °C | 250 | 200 | 200 |
| Dielectricity constant | 1MHz.25°C | 9 | 9.7 | 9.7 | |
| Dielectric strength | ac-kV/mm (ac V/mil) | 8.3 (210) | 8.7 (220) | 8.7 (220) | |
| Volume Resistivity | 100°C | ohm-cm | > 1013 | > 1014 | > 1014 |
Applications of alumina substrates:
• ziroconia substrates plates are hard enough to become armor for
personnel or vehicles.
• The corrosion resistivity of alumina plates makes them a great
material for chemical industry.
• Used as a material for industrial furnaces due to its ability to
maintain its hardness at high temperatures.
• Used for making parts for CVD, ion implants, photolithography,
and semiconductor parts.
• In traditional industries, alumina ceramics are ideal for
products such as injector tubes, gas nozzles and insulators.
* This chart just demonstrates the typical properties of common alumina materials we use to produce our alumina parts. Please notice that the property for customized alumina parts could vary due to different process. Stanford Advanced Materials could provide alumina products produced under your specified instruction, or do the best to meet customers’ requirements.
Specification
| Item | Length mm | Width mm | Thickness mm |
| 10x10 | 10 | 10 | 4/5 |
| 17x17 | 17 | 17 | 4/5 |
| 50x50x26.5 | 50 | 50 | 26.5 |
| 120x80x10 | 120 | 80 | 10 |
| 110x37(34)x12 | 110 | 37(34) | 12 |
| 130*50(47)*12 | 130 | 50(47) | 12 |
| 150*100*25.4 | 150 | 100 | 25.4 |
| 150*60*10/12 | 150 | 60 | 10/12 |
| 150*100*25.4 | 150 | 100 | 25.4 |
Other type of ceramic sheet/ plate/ substrate/ piece/ blank
· Ttz: Magnesia Partially Stabilized Zirconia (Zro2) Sheet/ Plate/
· Ytzp: Yttria Partially Stabilized Zirconia (Zro2) Sheet/ Plate/
· Zdy: Yttria Fully Stabilized Zirconia (Zro2) Sheet/ Plate/
· Silicon Carbide Sheet/ Plate/
· Silicon Nitride Sheet/ Plate/
1. What kind of industry ceramics do you have ?
We specialized in 95% 97% 99% alumina ceramic and zirconia ceramic parts .
2. What kind of molding method do can you supply ?
Dry Pressing , isostatic pressing , grouting , hot-chamber die casting , tape casting , injection molding, etc, injection molding and isostatic molding is the most commonly used.
3.What stabilizer do you use when processing ?
Yttria stabilizer is the most commonly used in our industrial ceramic parts.
4.Can you produce free samples for me ?
Yes usually , we can produce free samples for you but it is up to the product complexity .
5.What terms can you accept for payment ?
T/T, L/C , Western union , Money Gram and Paypal is welcome , but paypal and western union only for small -sum payment.
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