Chrome Containing Products

Item

EC-93

EC-86

ECA-60

ECA-30

ECA-12

Cr₂O₃ %

≥93

≥86

≥60

≥30

≥12

Al₂O₃ %

-

-

≤38

≤68

≤80

Fe₂O₃ %

-

-

≤0.2

≤0.2

≤0.5

Apparent Porosity，A.P. %

≤17

≤17

≤14

≤16

≤18

Bulk Density，B.D.      g/cm3

≥4.3

≥4.2

≥3.63

≥3.53

≥3.3

Normal Temperature Compressive Strength，C.C.S.   MPa

≥100

≥100

≥130

≥130

≥120

Softening Temperature Under Load，R.U.L.   ℃

≥1680

≥1670

≥1700

≥1700

≥1700

Reburn Line Rate of change，P.L.C.(1600℃×3h) %

±0.2

±0.2

±0.2

±0.2

±0.2