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| Categories | Welding Ceramic Ferrule |
|---|---|
| Place of Origin: | Jiangsu, China |
| Brand Name: | LJ Ceramic |
| Certification: | ISO9001:2008/ROHS |
| MOQ: | 2 piece |
| Price: | Negotiation |
| Packaging Details: | Use the export carton which is secure against breakage on the MDF pallet. |
| Delivery Time: | To be negotiated |
| Payment Terms: | L/C ，T/T |
Product Paramenters
Characteristics | Alumina | ||
| Components | 99%Al2O3 | 95%Al2O3 | |
| Density | g/cm3 | 3.8 | 3.65 |
| Water Absorption | % | 0 | 0 |
| Sintering temperature | ℃ | 1700 | 1680 |
| Hardness | HV | 1700 | 1500 |
| Flexural strength | Kgf/cm2 | 3500 | 3000 |
| Compressive Strength | Kgf/cm2 | 30000 | 25000 |
| Fracture toughness | Map.m3/2 | 4 | 3~4 |
| Maximum service temperature | ℃ | 1700 | 1600 |
| Coefficient of thermal expansion 0-1000℃ | *10-6/℃ | 8.5 | 8 |
| Heat resistance | T(℃) | 200 | 220 |
| Heat resistance | W/m.k(25℃-300℃) | 31.4~15.9 | 25~14 |
| Volume resistivity | 20℃ Ωm | >1012 | >1012 |
| 100℃ Ωm | 1012 --1013 | 1012 --1013 | |
| 300℃ Ωm | >1012 | >1010 | |
| Insulation breakdown intensity | KV/mm | 18 | 18 |
| Dielectric constant | 100MHz(E) | 10 | 9.5 |
Characteristics | Cordierite | |
| Components | 2MgO2Al2O35SiO2 | |
| Density | g/cm3 | 2.5 |
| Water Absorption | % | 0 |
| Sintering temperature | ℃ | 1350 |
| Hardness | HV | 800 |
| Flexural strength | Kgf/cm2 | 900 |
| Compressive Strength | Kgf/cm2 | 3500 |
| Fracture toughness | Map.m3/2 | - |
| Maximum service temperature | ℃ | 1000 |
| Coefficient of thermal expansion 0-1000℃ | *10-6/℃ | 4 |
| Heat resistance | T(℃) | 250 |
| Heat resistance | W/m.k(25℃-300℃) | 1.3- |
| Volume resistivity | 20℃ Ωm | >1012 |
| 100℃ Ωm | 107 --108 | |
| 300℃ Ωm | 3*105 | |
| Insulation breakdown intensity | KV/mm | 10 |
| Dielectric constant | 100MHz(E) | 6 |
FAQ
Q1: Are you a manufacturer or a trader?
A1: We are a real manufacturer, our factory is specialized in
producing refractory materials for more than 20 years. We promise
to provide the best price, the best pre-sale and after-sale
service.
Q2: How do you control your quality?
A2: For each production process, LJ has a complete QC system for
chemical composition and physical properties. And we will test the
goods, and the quality certificate will be shipped with the goods.
If you have special requirements, we will try our best to
accommodate them.
Q3: What is your delivery time?
A3: Depending on the quantity, our delivery time is different. But
we promise to ship as soon as possible with guaranteed quality.
Q4: Do you provide free samples?
A4: Of course, we provide free samples.
Q5: Can we visit your company?
A5: Yes, of course, you are welcome to visit LJ company and our
products.
Q6: What is the MOQ for trial order?
A6: There is no limit, we can provide the best suggestion and
solution according to your situation.
Q7: Why choose us?
A7: We have been making refractory materials for more than 20
years, we have strong technical support and rich experience, we can
help customers design different kilns and provide one-stop service.
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