Main Products: muffle furnace ,tube furnace ,box furnace ,chamber furnace ,high temperature furnace
STA Si3N4 ceramic silicon nitride protection tube
USD $20 - $100 /Piece
Min.Order:1 Piece
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STA Refractory (Zhengzhou) Co., Ltd.
Business Type: Trading Company
Zhengzhou Henan ChinaMain Products: muffle furnace ,tube furnace ,box furnace ,chamber furnace ,high temperature furnaceProduct Details
STA Si3N4 ceramic silicon nitride protection tube
Si3N4 Bonded SiC material is mainly used in the production of aluminum, copper and zinc , as the lining material of the molten pool and electrolytic bath (reduction bath). The side lining of the reduction bath is eroding by aluminum and cryolite (used as additive), but Si3N4 bonded SiC material could not be eroded by aluminum, and do not have chemical reaction with cryolite. So this kind of material is ideal for the lining bricks of the electrolytic bath.
In particular this kind of bricks have the excellent properties of high strength, abrasive resistance and nonconductive, so the copolymer (Al2O3 and Cryolite). The copolymer likes protective film to protect the working lining and improve the service life of electrolytic bath. At the same time, the Si3N4 bonded SiC bricks have lower thermal conductivity than silicon bricks, so they can reduce the thickness of the side wall or input higher power to expanse the loading capacity of the electrolytic bath, and to increase the output.
Because of the high resistivity of the material, it can reduce the power consumption of the side -wall about 15%, saving energy and protecting environment
The specification of Silicon Nitride protection Tube:
Density | 2.8 g/cm3 |
Porosity | ≤16% |
Phase composition | β-Si3N4, Oxide |
SiC | 72% |
Si3N4 | 21% |
compressive strength | 140MPa |
flexure strength | 35MPa |
Thermal conductivity | 16 w/m*k |
Application of t Silicon Nitride protection Tube:icon nitride bonded silicon carbide protection tubes
Si3N4 tube is made from composite material with combination of Si3N4 and SiC.
It is special used as rise tube in non-ferrous metal industry, thermocouple protective tube, electric heating element protective tube, gas protective tube in carbon fiber industry.
It is characterized by good ability in resisting corrosion, resisting thermal shock,resisting oxidizability,resisting high temperature liquid scour.
Size of Silicon Nitride protection Tube is available.
| Outer diameter | Inner diameter | Length |
| 13 | 10 | 500-1000 |
| 16 | 8-10 | 300-1000 |
| 20 | 12 | 300-1200 |
| 25 | 14-15 | 1500 |
| 28 | 16-20 | 300-1200 |
| 30 | 10-20 | 1500 |
| 35 | 25 | 300-1250 |
| 40 | 25-28 | 300-12000 |
| 50 | 25 | 300-1200 |
| Remarks:the protection tubes can be customized | ||
Photo show of Silicon Nitride protection Tube:
1
Packing: standard export packing: wooden box with foamed plastic inside.
Shipping term: DHL/FEDEX/TNT/UPS
Packaging:
STA UNIVERSE GROUP CO.,LTD is a profession manufactory in China for years. We specialize in muffle furance, ceramic fiber products, refractory and related goods. High quality products with competitive price are popular to customer. With good after-sales service, our company have a highest reputation at overseas.
Founded is 2001, The universe group is dedicating to innovation and creating a world brand from now on. Original a small collective plant on the verge of workshop, it has now grown into an international group which has more than 72,00 employees around the globe and realizes a turnover of 2.7 billion yuan in 2010.
Our Service
1. Your inquiry related to our products or prices will be replied within 24hours.
2. Well-trained and experienced staffs to answer all your inquiries in fluent English.
3. All our products have 1-year warranty.
4. Offering the support to solve the problem in the application or selling period.
5. Competitive prices based on same quality.
6. Guarantee samples quality same as mass production quality.
7. Check quality of items one by one
8. Provide packing photos and tracking number
9. tracking parcel for you.
Contact informaton: Please scan QR code as follows,
1.Do you have MOQ of goods?
We accept the trial order, so you can test quality firstly.
2.Can you offer best price for us to beat competitors?
Of course, we can update price to support your business.
3.How long will it take to complete my order?
For the stock items, we can arrange the shippment within 2 days after paymment is received. For the customized items,lead time is about 25 days.
4.What's your after-sales service?
Furances is 2 years warranty, other products is 3 months.
5. Can you send goods to our shipping agent in China?
YES, We can. And delivery time is within 3 days.
6. I will go to China for Shanghai international exhibition of refractories and industrial ceramics, And can we visit your factory?
We are so happy to get your visit.
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