High Alumina Brick - Silicon Nitride Bonded Silicon Carbide Products - Refractory Products

Product Description:

Silicon nitride bonded silicon carbide products - refractory products has the characteristics of high temperature resistance, erosion resistance, abrasion resistance, shock resistance is good, suitable for heat exchanger, the cold air pipe etc.. The selection of silicon nitride bonded silicon carbide special-shaped products not only can obtain the effect of energy saving, and can ensure the product without any pollution, and long service life, convenient operation. We can according to customer needs and production of various products.

Product name
 Composite brick 
 

 
Silicon nitride bonded silicon silicon carbide brick 
 

The volume density g/cm3
 ≥2.65
 
 ≥1.54
 

True densityg/cm3
 
 
 ≥ 1.86
 

Resistivity μΩ•m
 
 
 ≤ 55
 

Display the porosity（%）
 ≤15.0
 
 
 

Compressive strength at room temperature Mpa 
 ≥180.0
 
 ≥32.0
 

The flexural bond strength　MPa (110℃×24h)
 
 ≥5.8
 
 

Chemical composition（%）
 SiC
 ≥72.0
 ≥80.6
 
 

 Si3N4
 ≥20.0
 
 
 

 C
 
 ~0.3
 
 

 Fe2O3
 ≤0.3
 ≤0.5
 
 

 Ash
 
 
 ≤9