2012 hot sale silicon carbide sagger (oxide sintering)

name

silicon nitride  bonded silicon carbide bricks

Apparent porosity %

≤18

(Bulk density)g/cm3

≥2.60

(Cold compression strength)MPa

≥140

(Modulus rapture at room temperature)(1400°C)Mpa

≥40

(Modulus rapture at elevated temperature)(1400°C)Mpa

≥40

(Coefficient of thermal liner expansion) ×10-6/°C(1100°C)

≤4.18

(Thermal conductivity )w/(m·k) (350°C)

≥16

(Refractoriness) (°C)

1800

 0.2Mpa(Loading softening point )(°C)

1600

(Max working temperature) (°C)

1550

(Composition)(%)

SiC

≥70

Si3N4

≥20

Fe2O3

≤0.7

SiC+ Si3N4

≥90

Si

≤0.5