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Characteristic
Silicon nitride-bonded silicon carbide bricks
Maximum service temperature1580℃(2876℉).
Excellent oxidation resistance and resistance to corrosion.
Superior resistance to metal penetration and cryolite attack
Low gas permeability
High thermal conductivity.
Low thermal expansion.
Good abrasion and erosion resistance.
Low porosity.
High modulus of rupture.
High crushing strength
Application: Sidewall blocks in aluminium electrolysis cells. Protective top rim. Combination with carbon sidewall blocks.
** Our company can supply SiC bonded Carbon blocks
Name Index Apparent Porosity （ASTM:C20） % 15 Bulk Density (ASTM:C20） g/cm3 2.65 Max.Service Temperature ℃ 1650 C.C.S. (ISO 10059/1-92) MPa 180 M.O.R@1400℃ (ISO 5013&5041) MPa 45 M.O.R@20℃ (38 F) (ISO 5013&5041) MPa 43 Reheating Linear Change (1000℃(1832 F)8h % 0-0.1 Thermal Expansion @600℃(1112 。F)4.0*10-6/℃ % 0.23 @600℃(1472 。F)4.1*10-6/℃ % 0.32 @1000℃(1472 。F)4.3*10-6/℃ % 0.42 Thermal Conductivity @300℃ (W/M.K) 25 @600℃ (W/M.K) 22 @1000℃ (W/M.K) 16 Chemical Analysis SiC (Min.) % 75 Si3N4 (Min.) % 18 Fe2O3 (Min.) % 0.7 Si (Min.) % 0.3
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