Dongguan Ming Rui Ceramic Technology Co.,ltd
| 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 Ceramic Pin / Pin Gauge Set / Spot Welding Pin |
| Material | High purity zirconia / 95 / 99 alumina ceramic |
| Dielectric Constant | 9.5 ( 95 alumina ), 9.8 ( 99 alumina ), 26 ( zirconia ) |
| Dielectric Strength | 16 KV / mm ( 95 alumina ), 22KV / mm ( 99 alumina ) |
| Water Absorption | 0 |
| Compressive Strength | 1300 - 1650 Mpa |
| Fracture Toughness | 3.8 Mpa * m½ ( 95 alumina ), 4.2 Mpa * m½ ( 99 alumina ), 10 Mpa * m½ ( zirconia ) |
| Color | White, or customized |
| Size | Customized |
| Application | Alumina Ceramic Pin / Pin Gauge Set / Spot Welding Pin |
| Brand Name | Custom |
| Model Number | Custom |
| Certification | ISO, ROHS |
| Place of Origin | Guangdong, China(mainland) |
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Product Specification
| 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 Ceramic Pin / Pin Gauge Set / Spot Welding Pin | Material | High purity zirconia / 95 / 99 alumina ceramic |
| Dielectric Constant | 9.5 ( 95 alumina ), 9.8 ( 99 alumina ), 26 ( zirconia ) | Dielectric Strength | 16 KV / mm ( 95 alumina ), 22KV / mm ( 99 alumina ) |
| Water Absorption | 0 | Compressive Strength | 1300 - 1650 Mpa |
| Fracture Toughness | 3.8 Mpa * m½ ( 95 alumina ), 4.2 Mpa * m½ ( 99 alumina ), 10 Mpa * m½ ( zirconia ) | Color | White, or customized |
| Size | Customized | Application | Alumina Ceramic Pin / Pin Gauge Set / Spot Welding Pin |
| Brand Name | Custom | Model Number | Custom |
| Certification | ISO, ROHS | Place of Origin | Guangdong, China(mainland) |
| High Light | custom ceramic pins ，ceramic dowel pins | ||
Al2O3 Alumina Ceramic Pin / Pin Gauge Set / Spot Welding Pin With Strong Impact Resistance
Product Description
Advantages of Alumina Ceramic Pin:
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 pins.
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
Alumina Ceramic Pin will be 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
One-stop production, from the raw material to final product.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2007
Total Annual:
10000000-15000000
Employee Number:
80~120
Ecer Certification：
Active Member
Dongguan Ming Rui Ceramic Technology Co., LTD., a professional manufacturer of machined ceramic parts, has 10 senior engineers and lots of technicians. We produce strengthened structure zirconia ceramic bar, ceramic tube, ceramic shaft, ceramic plate, ceramic sleeve, ceramic valve, ceramic plunger a... Dongguan Ming Rui Ceramic Technology Co., LTD., a professional manufacturer of machined ceramic parts, has 10 senior engineers and lots of technicians. We produce strengthened structure zirconia ceramic bar, ceramic tube, ceramic shaft, ceramic plate, ceramic sleeve, ceramic valve, ceramic plunger a...
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