High Temperature Resistance Ceramic Welding Tape Ceramic Backing Tape For Welding
High Temperature Resistance Ceramic Welding Backing For One Side Welding
Since the welding ceramic backing can withstand high temperatures and has good thermal conductivity, it can quickly take away the heat generated by welding, preventing the weld from overheating and welding defects. This makes the welding process more stable and controllable, and improves the safety and quality of welding operations. The high temperature stability and low thermal expansion coefficient of the welding ceramic backing enable it to maintain dimensional stability during the welding process, and will not affect the forming quality of the weld due to thermal expansion and contraction. The chemical stability of the welding ceramic backing also ensures the purity and high quality of the weld. It does not chemically react with the molten pool metal, avoiding the generation of impurities and defects in the weld, thereby improving the overall quality and reliability of the weld. The design and application of the welding ceramic backing make the welding process more stable and controllable, and improve the success rate and consistency of welding. These technical advantages of the welding ceramic backing have made it widely used and recognized in the welding industry, becoming an indispensable auxiliary material for high-quality welding.
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Ceramic material performance index
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Alumina Ceramic
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Zirconia Ceramic
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Performance
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Unit
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≧95 | ≧99 | ≧99.5 | |
| Bulk density | g /cm3 | 3.7 | 3.85 | 3.85 | 6 |
| Hardness | HRA ≥ | 86 | 88 | 88 | 92 |
| Flexure strength | Mpa≧ | 300 | 350 | 400 | 1100 |
| The max.temperature | ℃ | 1500 | 1500 | 1500 | 1450 |
| Linear expansion coefficient | ×10-6/℃ | 7.5 | 8.2 | 8.2 | 10.2 |
| Dielectric constant | εr20℃, 1MHz | 9 | 9.2 | 9.2 | 28 |
| Dielectric loss | tanδ×10-4, 1MHz | 3 | 2 | 2 | 10 |
| Volume resistivity | Ω·cm 20℃ |
10^13
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10^14 | 10^14 | 10^14 |
| Disruptive strength | KV/mm , DC≥ | 20 | 20 | 20 | 20 |
| Acid resistance | mg/cm2 ≤ |
0.7
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0.7 | 0.7 | 2 |
| Alkali resistance | mg/cm2 ≤ | 0.2 | 0.1 | 0.1 | 0.08 |
| Abrasive resistance | g/cm2 ≤ | 0.2 | 0.1 | 0.1 | 0.05 |
| Compressive strength | MPa ≥ | 2500 | 2500 | 2500 | 3000 |
| Rupture strength | MPa ≥ | 200 | 350 | 350 | 600 |
| Elasticity modulus | GPa | 300 | 350 | 350 | 210 |
| Poisson ratio | 0.2 | 0.22 | 0.22 | 0.23 | |
| Heat conductivity | W/m·K( 20℃) | 20 | 25 | 25 | 2.6 |
Applications
Packing and shipping
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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