SILICON NITRIDE BONDED SILICON CARBIDE
Refractory brick for Aluminum electrolysis Tank
1.Si3N4 Bonded Silicon carbide brick for Aluminum refinery
Description
The product is made from high quality Silicon carbide, silica powder, metal Si,by vacuum Nitride Sintering at high temperature.
The size&properties of the product can be customized as per your application,&special technical requirement.
Generally,the product has following advantages of:
a.Low thermal conductivity
b.Low thermal expansion
c.Excellent oxidation resistance
d.Excellent corrosion resistance
e.long duration
Application:
a.good lining refractory materials in Aluminum electrolysis cell,furnace,kiln,incinerators, and reactors.
b.as Tuyere combined bricks or other combined blocks in Iron&steel industry.
c.Used as Kiln shed board, beams,slide push board, sagger.
Package:Normally,1100kg or1200kg into a Non-fumigated crate,each piece is isolated by good padpaper,bubble film,or foam board,etc..
Note:All of our export package materials confirms to IPPC standard,with an official mark on them.
Parameter:
item | unit | data |
SiC% | ≥ | 72 |
Si3N4 % | ≥ | 21 |
Fe2O3 % | ≤ | 0.5 |
Density | g/cm3 | 2.65-2.70 |
Apparent porosity % | ≤ | 18 |
Modulus of Rupture | Mpa (at ambient temperature) | 42 |
Mpa(1400℃) | 45 |
Compressive strength | MPA≥ | 150 |
thermal conductivity1250℃ | W/m.k | 15-18 |
acid-proof alkaline | | Excellent |
Size Difference | 0-100mm | ±1.0 |
101-300mm | ±1.5 |
301-500mm | ±2.0 |
501mm above | ±0.5% |
2.Composite Sidewall Slab for Aluminum Reduction Cell (side wall block,combo brick)
Description
With special bonding developed by us,stick graphitic carbon pieces with SiC brick tightly.Can be used directly at Aluminum reduction cells.
The feature:excellent chemical&oxidation resistance,Longer duration,convenient for installation.and so on.
Specification:610mm*400mm*75/210mm,or other sizes as per your requirement.