Bubble Alumina Products

Item

EAB-85

EAB-90

EAB-99

EAB-98

Higher Operating Temperature    ℃

1680

1700

1800

2200

AL₂O₃（ %）

≥85

≥90

≥99

ZrO₂（ %）

≥98(With Stabilizer)

SiO₂（ %）

≤15

≤8

≤0.2

≤0.2

Fe₂O₃（ %）

≤0.2

≤0.2

≤0.2

≤0.2

Bulk Density, B.D.     g/cm3

1.4-1.7

1.4-1.7

1.4-1.7

≤3.0

Compressive Strength, C.C.S.   MPa

≥12

≥10

≥9

≥8

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

≥1650

≥1700

≥1700

≥1700

(0.1MPa,0.6%)

Reburn Line Rate of Change, P.L.C. %

±0.3

±0.3

±0.3

±0.2

(1600℃×3h)

Thermal Expansion Coefficient, T.E.×10-6

～7.8

～8.0

～8.6

～9.1

（Room Temperature -1300℃）

Thermal Conductivity, T.C.          w/(m.k)

≤0.6

≤0.7

≤1.5

≤0.3