Item \ Index

Unurned Alumina-Carbon Briks

Burned Micropore Alumina-Carbon Briks

Al 2 O 3 , %

≥60

≥65

C, %

≥12

≥12

Fe 2 O 3 , %

≤1.5

≤1.5

Bulk Density , g/cm 3

≥2.75

≥2.80

Apparent Porosity ,%

≤10

≤14

Cold Crushing Strength , MPa

≥40

≥60

Refractoriness Under Loder, ℃

≥1650

≥1680

Alkali Tolerance , %

—

≤10

Thermal Conductivity (800℃),W/m·k

—

≤13

Aperture ≤1μm, %

—

≥75