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Help CenterReaction Sintering Si3N4 Ceramic Silicon Nitride Product
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Shanghai Kessen Ceramics is one of the world's largest industrial ceramics producers for silicon nitride protective tube.Silicon nitride ceramics possess excellent properties of high thermal stability,antioxidant capacity and good dimensional precision of products.This is essential to detect even tiny temperature differences and permit an effective automatic control loop.Silicon nitride is especially suitable for thermocouple protection tube measuring temperature of molten aluminum for its anti-fusion.In order to guarantee tube's quality,we used the excellent raw material and adopt strict total quality management and advanced techniques.
Applications
Silicon nitride protective tube is widely usedfor non ferrous metal casting.Especially for measuring the temperature of liquid aluminum.
1)protection tube
2)heating tube
3)vent tube
4) riser tube
5) Radiation tube
Properties
Name of material |
Si3 N4(RB) |
Si3 N4(GPS) |
Bulk density(g/cm3) |
2.5-2.6 |
3.15-3.25 |
Hardness(HRA) |
80-86 |
90-93 |
Bending strength(MPa) |
160-250 |
600-750 |
Porosity(%) |
10-15 |
<0.2 |
|
The coefficient of thermal expansion ( 1×10-6/°C ) |
2.6 | 3.5 |
Features
1.Don’t react with molten Al,the surface is not bonded with Al,improve the quality of Al products;
2.Good resistance to oxidation,can work for a long time below 1000°C in atmosphere,no oxidation;
3.100%compactness,molten Al can not pollute it,but the Si3N4 tubes by reaction sintering have a very short life,there are many pores,will be polluted from molten Al after long time working;
4.Good thermal shock resistance
5.the working life is more than 6 months in Al industry,and more than one year after testing.
Top 7 Reasons to Use Kessen Si3N4 Tube
1.Good thermal stability
2.Erosion resistance
3.wash resistance
4.quick thermal conductivity
5.long life
6.High temperature resistant
7.High strength
Package
Carton,Plywood
Shipping
We can supply you the translation methods whatever you want.
--By express (DHL/Fedex/etc.)
--By Air to your nearest Airport
--By Sea to your nearest Seaport
--By the sellers’ shipping agent
Our products are warranted to be free from defects in materials or workmanship for 6months from the date of purchase. This warranty does not cover consumables and failures due to abuse, misuse, accident or unauthorized alteration or repairs.
1.Your inquiry related to our products or prices will be replied within 24hours
2. Guarantee samples quality same as mass production quality
3. Offering the support to solve the problem in the application or selling period.
4. Competitive prices based on same quality.
Shanghai Kessen Ceramics Co., Ltd. is a wholly owned subsidiary of Shanghai Kessen
Group Corp. Professional design, production and sale of precision ceramics, refractory
ceramics, and new inorganic non-metallic materials, that is alumina, zirconia, magnesia,
silicon nitride and silicon carbide as main raw materials. After a series of synthetic and
refining processing to make superfine powder. By means of 1700c ultra-high temperature and
high pressure process sintering, the products have high temperature resistance, corrosion,
wear, pressure insulation and other outstanding features. They are widely used in electronics,
metallurgy, petrochemical, information, mechanical, electrical, autos, aerospace, new energy,
military, defense and other industries.
Shanghai Kessen Group Corp
Shanghai Kessen Ceramics Co Ltd
No1115 Road Yongxin Jiading Shanghai 201800 China
Tel:86-21-51099195 Fax:86-21-51010816 Skype:kessen.alan
1. Can you accept OEM?
Yes!.We can manufacture as per your request specification.
2. Can you deliver the goods via our shipping agent?
Yes, we could help you make the delivery using your shipping agent
3. Can you supply sample?
Yes.We would like to give you suitable suggestion according to your detail application.
4. What about your After-sales service?
Yes.We promise that we can change or refund products if there are any quality problem.
If you need more professional help, please contact us. Our technical engineers would like to give advices according to your requirements
Send Inquiry to This Supplier
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