Dongguan Ming Rui Ceramic Technology Co.,ltd
Dongguan Ming Rui Ceramic Technology Co., Ltd
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95% precision customized dimension mirror polish ceramic zirconia ceramic rod
We can offer the products base on customer's drawing, sample and other reference parameter
1) A variety of specifications available.
2) Satisfy various technical request
3) High quality be sure
4) Good insulation performance and high temperature resistance
5) Bending strength and compressive strength resistance
6) Used in all electric products and electric heating products
7) OEM, ODM and OBM are welcomed
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 |
| 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. | ||||
| Material | Unit | Steatite ceramics | 95% alumina ceramics | 99.5% alumina ceramics |
| Density | G/cm3 | 2.7 | 3.7 | 3.9 |
| Highest application temperature | °C | 1100 | 1500 | 1750 |
| Bending strength | Mpa | 150 | 300 | 340 |
| Compressive strength | Mpa | 900 | 3400 | 3600 |
| Hardness | HV0.5 | 800 | 1800 | 2000 |
| Insulation breakdown strength | KV/mm | 10 | 15 | 18 |
| Processing technology | ||||
| Process range (mm) | ||||
| Outside Diameter | 1---300 | |||
| Inside Diameter | 0.5---300 | |||
| Length | 0.5---1200 | |||
| Accuracy of working (mm) | ||||
| Perpendicularity | 0.01 | |||
| Concentricity | 0.01 | |||
| Roundness | 0.005 | |||
| Straightness | 0.005 | |||
| Parallelism | 0.01 | |||
| Planeness | 0.005 | |||
| Roughness | 0.05 | |||
| Fit clearance | 0.005 | |||
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Factory Introduction
Company information
Who Are We?
Mingrui has professional OEM experience in manufacturing industrial 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, Mining, Oil & Gas, Energy & Power, Food & Medical, Agriculture, Aerospace,
even other High-end fields.
Our products with some certificates, such as , CE, TUV, etc..
Package and shipping
Insulators 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.
Production process show
One-stop production, from the raw material ( powder ) to final products, control the quality strickly of every production link.
Welcome to contact for the quotation, 2D/3D drawing will be perfect !