Brand Name : Custom
Model Number : Custom
Certification : ISO, ROHS
Place of Origin : Guangdong, China(mainland)
MOQ : 5 PCS
Price : Negotiable
Payment Terms : T/T, Western Union, Paypal
Supply Ability : 3000 pcs per month
Delivery Time : 10-30 working days after receiving deposit
Packaging Details : Packed in PP bag or sponge tray, then put in standard export carton packing, or OEM packing.
Product name : Alumina semiconductive ceramic plate / substrate
Material : High purity zirconia / 95 / 99 alumina ceramic
Dielectric Constant : 9.5 ( 95 alumina ), 9.8 ( 99 alumina ), 26 ( zirconia )
Dielectric Strength : 16KV / mm ( 95 alumina ), 22KV / mm ( 99 alumina )
Max Application Temperature : 1500℃ ( 95 alumina ), 1750℃ ( 99 alumina ), 1050℃ ( zirconia )
Compressive Strength@Room Temperature : 2000 - 2200 Mpa
Heat Conductivity @ Room Temperature : 18 - 25 W / m * k ( 95 alumina ), 26 - 30 W / m * k ( 99 alumina ), 2.0 - 2.2 W / m * k ( zirconia )
Color : White, or customized
Size : Customized
Application : Semiconductive ceramics parts
95% - 99% Alumina Semiconductive Ceramic Plate / Substrate With High Application Temperature
Product Description
Advantages:
1. Refractory.
2. Isostatic Pressed.
3. Long Service Life.
4. Superior Mechanical Strength.
5. High Corrosion and Wear Resistance.
6. Good Insulation Performance Precision.
7. High Temperature and Pressure Resistance.
8. High Purity Zirconia and Alumina Ceramic Material.
They are high corrosion and wear resistance and strong impact resistance and delivers 10 times longer working life than metal parts. They give a longer life to the sealed packing material.
Application:
Alumina ceramic is mainly used in large power equipment, IC MOS tube, IGBT chip heat conducting insulation, high frequency power supply, communication, mechanical equipment, strong current, high voltage, high temperature and other thermal heat insulation parts need products.
Physical properties: high thermal conductivity, high voltage insulation resistance, high temperature resistant, abrasion resistant, high strength.
Machining precision data: (reference data,the actual data is subject to the actual conditions)
(1)Shaft parts: Radial dimensions can reach 0.0015 mm; roundness 0.001 mm, concentricity 0.0025 mm, roughness 0.01
(2)Hole type parts:Machining minimum aperture of 0.3 mm, depth can reach 3 mm;The diameter of 1 mm can be radial 0.002 mm;Roughness 0.02-0.04;
(3)Plane processing:The tolerance can reach 0.002 mm, and the plane is 0.0015mm.
(4)Ceramic thread processing:the internal thread M2 can be grinds, thread precision GB-7h; The outer thread size is not limited, the precision GB-6g;
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 |
Detailed Images
Related Products
Packaging and Shipping
Packed in PP bag or sponge tray, then put in standard export carton packing, or OEM packing.
Shipped by Air ( DHL, TNT, UPS, Fedex, EMS ), or Sea transportation.
Company information
Who Are We?
Mingrui is a professional factory with years OEM experience in manufacturing industrial ceramic parts.
What Do We Do?
We produce (OEM ) strengthened structure zirconia and alumina ceramic rod, ring, tube, shaft, plate, sleeve, bushing, washer, valve, plunger, pin, nozzle and ceramic arm, etc., they are applicable to instruments, medical instruments, clocks and electronic products, mills, energy and power, machine and metals, autocar and military, spaceflight and some other high-end fields.
All of our products with certificates, such as , CE, TUV, etc..
Factory Show
Production Process Show
One-stop production, from the raw material to final product.
95% - 99% Alumina Semiconductive Ceramic Plate / Substrate With High Application Temperature Images |