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China Abrasives I&E Company

China Manufacturer with main products: Paint, Roller, Brush, Manufacturing, Ceramic, Fiber, Refractory, Products

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Si3N4-SiC Air Cooling Tube

Supply Ability: 100,000 Piece/Pieces per Month
Shipping: 15 days after receiving your payment
Payment Terms: L/C, T/T

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China
Packaging Details: wooden case


*Si3N4-SiC Air Cooling Tube

This has a long using life without oxidation, can improve product quality, and is an ideal material instead of stainless steel, and its using life is more than a dozen times of other materials.

The properties of NSIC material:
1. High load-bearing ability
2. Energy saving
3. Short sintering time
4. Good thermal-shock resistance
5. Excellent corrosion resistance
6. None shrink
7. Max working temperature 1750℃

NSIC material is a kind of latest structural ceramic material , which is mixed with high pure SIC fine powder and Silicon powder, after slip casting course, reaction sintered under 1400~1500℃. During the sintering course, filling the high pure Nitrogen into the furnace, then the silicon will react with Nitrogen and generate Si3N4,So in the Si3N4material, SIC occupies 75% and Si3N4occupies 23%. NSIC has the properties of high strength, strong oxidization-resistant ability. It is very suitable to be applied in the mid/low temperature and big loading furnace. The high working temperature can reach to 1450℃.


The NSIC materials’ strength is nearly two times of RSIC material, besides it has all the properties of RSIC. It has the excellent crushing strength following the rising temperature, the excellent load-bearing ability under high temperature, oxidization resistance and corrosion resistance. It can be made into kiln furniture, kiln fittings and structural parts, which can be applied in ceramic refractory, electric porcelain, electron ceramic, metallurgy, mechanics and environment protection line.

Physical Properties
Volume density (g/cm²): ≥2.65
Apparent porosity (%:≤10.7

Room temperature compressive strength (MPa): ≥170

Room temperature breaking strength (MPa): ≥30

Chemical Properties
SiC: ≥60
SiC3N4: ≥37
Fe2O3: ≤1.5
FSi: ≤1.0

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