| Customization: | Available |
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| Feature: | Long Time Materials |
| Refractoriness (℃): | 1770< Refractoriness< 2000 |
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1300 degree working temperature mullite ceramic tube refractory bushing for stove,Widely used as linings in decomposing furnaces for petroleum and chemical industry.
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Product Name
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1300 degree working temperature mullite ceramic tube refractory bushing for stove
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Material
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mullite corundum mullite, cordierite
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Size
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Customized
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Working temperature
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1300-1800ºC
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Application
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It is used for calcining all kinds of special powder such as lithium battery ternary materials
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Payment Item
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T/T,Western Union,Online payment by credit card are available
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Thransport
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Air transport: 5-10 days; Ocean shipping: About one month.
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Delivery Time
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1.Stock:delivery within 3-5 days after receiving your payment.
2. OEM/ODM:The normal Lead time is 15-45 days, which depends on your quantiy. |
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Kiln furniture is made of cordierite because it will survive thousands of heating and cooling cycles.
At Paratech all of our production is placed in cordierite trays known as saggers to be used in the kiln during the firing cycle.
Small cordierite parts can be dry powder pressed. Large cordierite pieces are formed by slip casting.
Slip casting is a process where the ceramic material is mixed with water and poured into a plaster mold. After a few hours the plaster draws off the water from the mix and the sagger or other shape can be released from the mold. Parts are then dried and fired.
Applications
1.Widely used as linings in decomposing furnaces for petroleum and chemical industry,
2.as well as chemical fertilizer industry.
3.They also used as high temperature kiln linings and furniture's in metallurgical industry.
Material: Mullite
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Name |
Alumina |
Dense Cordierite |
Porous Cordierite |
Cordierite-Mullite |
Mullite |
Corundum mullite |
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Density(g/cm3) |
2.0~2.3 |
2.1 ~2.5 |
1.5 ~1.9 |
1.8~2.3 |
2.0 ~2.5 |
2.3 ~2.7 |
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Coefficient of heat expansion(×10-6K-1)(20~800°C) |
≤5 |
≤3.5 |
≤3.0 |
≤3.5 |
≤5 |
≤6 |
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Specific Heat (J/Kg.K)(20~1000°C) |
900~1150 |
900~1100 |
900~1100 |
900~1150 |
1000~1150 |
1100~1300 |
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Thermal Conductivity (W/m.k) (20~1000°C) |
1.5~2.0 |
1.5~2.5 |
1.2~1.8 |
1.5~2.0 |
1.5~2.0 |
1.5~2.5 |
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Impact Thermal Resistance(°C/min) |
≥300 |
≥300 |
≥350 |
≥350 |
≥350 |
≥300 |
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Max. Working Tem.(°C) |
1350 |
1300 |
1300 |
1320 |
1450 |
1550 |
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Water absorption(%) |
15-25 |
≤2 |
15~25 |
15 ~25 |
15~25 |
15 ~25 |
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Compressive strength(MPa) |
≥28 |
≥28 |
≥25 |
≥25 |
≥28 |
≥30 |
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Chemical composition (%) |
Al2O3 |
55 ~65 |
25 ~38 |
28 ~38 |
40~52 |
60 ~70 |
70 ~80 |
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SiO2 |
25~35 |
50 ~60 |
45 ~55 |
45 ~55 |
25 ~35 |
15 ~25 |
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MgO |
1~3 |
5 ~10 |
11 ~14 |
7~9 |
0 ~1 |
0 ~2 |
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others |
<5 |
<5 |
<5 |
<5 |
<5 |
<5 |
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Packaged by polybay and bubble bag in the stardard export carton,
Every package can be offered with English installation instruction.
1:What products and service can you offer us?
Answer: With the development more than 20 years, now we have 6 business division and we are supplying Quartz Glass (Tube, Rod, Plate and customized parts), optical glass and cuvette, and also various precise ceramics, porous ceramics and refractory ceramics. We have the full processing line for ceramic thick film resistors, far infrared ceramic glass heating panel, quartz tube/ceramic plate ozone generator ,porous metal fiber felt and polyester fiber cotton products. For all the products, we can design and customize according to the clients' demand.
2: Before mass order, can you offer samples? How will you charge for them?
Answer: We are willing to offer samples to lower your purchasing risk. Generally, if from inventory, we can deliver out within 3days, however if need processing, we can deliver out within 15days. For some difficult items, the delivery time will be decided by its grade of difficulty. For some low value items, we can offer free sample, however we would like you to afford the freight cost. For customized products, we need to charge the developing cost.
3: What test report or certificate can you offer? What achievements have you made in research and development?
Answer: Till the end of 2021, we have passed many ROHS, CE, MSDS tests and also the ISO9001 authentication. We have 8 registered trademark and 25 patents. Also we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises.
4: Do you have any agent in our area? Can you export your products directly?
Answer: Till the end of 2021, we haven't authorized any company or person as our regional agent. From 2008, we have the export qualification and professional export team, and till the end of 2021, we have exporting our products to more than 108 countries and regions, and our clients can contact us and purchase our products or service directly.
5: If the quality can not meet the requirement or any loss during the freight, how should we do?
Answer: We have strict QC test and professional QC team. We are always offering qualified products. If anything goes wrong, the quality can not meet requirement on the contract, we will reproduce the qualified products or refund the payment. We have the professional packing team and will pack the product in safe package for long distance delivery. If any loss during the freight, we hope you can assistant us to claim from the logistics company and we will arrange the replacement accordingly.
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