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[China]
Trade Verify
Address: N0 4,longshan Rd,Xinwu District,Wuxi City,jiangsu Province,China
Contact name:Zhu
Wuxi Special Ceramic Electrical Co.,Ltd |
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Verified Suppliers
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Product Description
Alumina ceramics is high hardness,high heat resistance,good wear resistance,high electrical insulation,high corrosion resistance,etc
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.
A. variety of specifications available.
B. Satisfy various technical request
C. Lower medium spoilage
D. Good insulation performance and high temperature resistance
E. Stiffness texture
F. Used in all electric products and electric heating products
G. OEM, ODM and OBM are welcomed
| Properties | Units | AL2O3 | ZrO2 | SiC | Si3N4 |
| Density | g/cm3 | 3.65-3.93 | 5.95-6.0 | 3.12 | 3.23 |
| Water absorption | 0 | 0 | 0 | 0 | 0 |
| Poission`s ratio | / | 0.21-0.22 | 0.3 | 0.17 | 0.26 |
| HV hardness hv | MPa | 1650 | 1300-1365 | 2800 | 1500 |
| Flexural strength | MPa | 310 | 950 | 390 | 720 |
| Heat conductivity | W/m*k | 26-30 | 2-2.2 | 120 | 25 |
| Electrical resistivity | Ω*mm2/m | >1016 | >1015 | >103 | >1013 |
| Dielectric constant | / | 9.6 | 29 | 9.66-10.03 | / |
| Dielectric strength | KV/mm | 8.7 | 9 | / | / |
| Coefficientof thermal expansion | 10-16/k | 7.9-8.5 | 10.5 | 3 | 3.2 |
| Modulus of elasticity young`s mod | GPa | 280-340 | 210 | 440 | 300 |
| Flexural strength(700℃) | MPa | 230 | 210 | 380 | 450 |
| Compressive strength | MPa | 2200 | 2000 | 1800 | 2300 |
| Max use temperature | ℃ | 1750 | 1050 | 1550 | 1050 |
| Resistance to acid alkaline | / | high | high | high | high |
| Thermal shock resistance | T(℃) | 180-220 | 280-350 | 230-260 | / |
| Fracture toughness | MPa*m1/2 | 4.2 | 10 | 3.9 | 6.2 |
| Tensile strength | MPa | 248 | 250 | / | / |
produce parameters
| Dimensional accuracy | Up to 0.001mm |
| Smoothness | Highest possible mirror |
| Concentricity | Up to 0.003mm |
| Parallelism | Up to 0.002mm |
| The inner hole tolerance | The minimum 0.005mm |
| Straight flute | The narrowest 0.1x100mm |
| The thickness of the size | Minimum to 0.02mm |
| The screw thread | Minimum internal thread M2 |
| Cylindricity | Up to 0.004mm |
| The linear tolerance | Up to 0.001mm |
| The smallest aperture | The minimum 0.07mm |
| Precision process | CNC maching,grinding,lapping |
| Surface finish | Glazed,polishing or metallized |
Additional Information:
A. In stock items will typically ship in a few working days.
B. Unit price and estimated ship dates will be calculated when the
length and quantity are specified.
C. Diameter tolerance ± 3% or ± 0.003" (0.076 mm), Straightness: ≤
0.003"/1.000" cumulative.
D. Can be customized
Customization:
As a manufacturer of ceramic parts, we offer customization of
ceramic special sizes and shapes.High Precision, Fast Delivery
Time, High Composition (with test report).
Lead time: 10-20 working days for the mass with free sample of mass ; Minimum order quantity : 1qty
Our Company
Wuxi Special Ceramic Electrical Co.,Ltd mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride,
Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics,
assembling, insulation, chemicals, instrument, textile, nuclear
industry, aerial field.We accept trial produce according to the
drawing or sample.It usually takes 15 days to finish trial
product.Mass produce usually takes 30 days.Goods' package is carton
or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and
Europe.Our aim is to deliver goods with high quality at quick
delivery date.
Ceramic Nozzle and Insulation Sleeves for welding equipment
Quality guarantee:mass produce by 100% inspection
