Item

Value

SiC   (%)

≥71

Al₂O₃ (%)

≥5.0

N     (%)

≥5.5

Fe₂O₃ (%)

≤0.7

Apparent Porosity(%)

≤16

Bulk density (g/cm3)

≥2.65

Cold crushing strength  (MPa)

≥150

Hot Modulus of Rupture

(MPa)

1000℃

 --

1350℃

≥42

1400℃

≥45

Thermal conductivity at 1000℃ (W^.m^-1.k^-)

≥15

Resistance to alkali attack 930℃x3hx2 (%)

+/-5.0