The series of advanced silicon carbide products include silicon nitride bonded silicon carbide blast furnace brice,kiln furniture furniture(board,support),silicon carbide tube,sialon bonded silicon carbide brick and silica bonded silicon carbide product.They are widely used in the field of nonferrous,metallurgical,electron,ceramic,mechanical and chemical industry series as furnace lining,blast furnace ruyere brick,deek,supporting column,pusher,flame-proof board,abrasive parts and heat exchanger tubes.


Oxygen bonded silicon carbide product
Apparent porosity % < 18
Mpa cold temperature bending strength 30
Bulk density g/cm3 > 2.58
Refractoriness °C ≤1650
Mpa cold crushing strength >100
Using Service Temperature °C ≥1350
SIC % ≥85
Fe2O3 ≤0.5

Property silicon nitride bonded silicon carbide product
Characteristics Silicon nitride bonded silicon carbide product
Blast furnace brick Kiln brick SiC tubes
Bulk density g/cm3 ≥2.60 ≥2.60 ≥2.55
Apparent porosity % ≤18 18-20 ≤20
Mpa Crushing strength Mpa ≥150 ≥150 ≥120
Mpa MOR room temp1400°C ≥40
≥45 ≥40
≥40 ≥30
≥35
Thermal expansion(�106/°C) 4.5(20-1000°C) 4.4(20-1000°C) 16.4(1000°C)
Thermal conductivity(W/mk) 15.7(1300°C) 15(1200°C)
Highest service temp 1500°C 1500°C 1500°C
chemical content SIC ≥70 ≥70 ≥70