NBSC silicon nitride brick for furnace

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Fob Price: 2912.63 USD/ 
MOQ: 1  
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Location: China
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Product detail:

NBSC silicon nitride brick for furnace

  

 The producing peocess of refractory silicon carbide bricks

 

1) Silicon carbide refractory brick is made of sic raw material, mixed with SiO2 and C.

 

2) With all the material contact fully, the brick will be pressed under friction press, vibration molding, casting according to its shape.

 

3) After the billet making, it should be dried under room temperature for 2-3 days.

 

4)Then it will be sinstered in the high temperature furnace, pass through temperature rise period, temperature constant and temperature cooling period.

 

5) After sinstered, high quality bricks will be selected.

 

6) Seaworthy packing and timely delivery are supplied.

 

With different binding agents, they are devided into several types-for.

Tech Data and their applications are as follows:

 

1) Clay bonded silicon carbide refractory brick,

It has good oxide resistance, high thermal conductivity. Widely used in high temperature industry as refractory muffle board in industry kiln furnace, plate, sagger etc.

 

Item BrandApparent porosity(%)Bulk density(g/cm3)CCS(MPa)Refractorness under load(T2,°C)Thermal shock resistance(1100, °C,water-cooling)SiC%
Standard value≤20≥2.5≥80≥1600superior≥85
Typical value182.55901650superior88

 

2) Oxide silicon carbide refractory brick, high temperature resistance, high thermal conductivity, good breaking strength, used in ceramic industry.

 

Item BrandApparent porosity(%)Bulk density(g/cm3)CCS(MPa)Hot bending strength Mpa(1400°C*1/2h,Mpa)Thermal shock resistance(1100, °C,water-cooling)SiC%
Standard value ≤19 ≥2.55 ≥80 ≥15superior ≥85
Typical value 18 2.6 110 16superior 88

 

3) Nitride bonded silicon carbide refractory brick, high strength under 1500 degree or more. Good wear resisting and good erosion resistance, good solution erosion resistance.

 

It is a kind of improvemental refractory products. Widely used in steel industry, smelting, metallurgy, aviation industry. Can be used as lining of blast furnace, lining of EAF(Electric arc furnace) or electric cells.

   

Item BrandApparent porosity(%)Bulk density(g/cm3)CCS(MPa)CMOR(Mpa)Thermal conductivity(w/m·k)SiC%Si3N4%
Standard value ≤18 ≥2.65 ≥120 ≥30 ≥15 ≥72≥18
Typical value 16 2.66 140 35 16 7321

 

 

The standard size of the bricks is 230*114*65mm. If you have other requirements about the shape, we can order as you need.

The tech data is just for preference. We can produce different levels as you require.

 

 

 

 

 

Any further questions pls feel free to contact with Hattie Yao, your kind inquiries are welcomed.

Skype: Hattie_Yao

 

 

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