Item

CN-130

ZCH010
High-alumina castable

ZCH027
High-alumina castable

CL-80
Insulating castable

CL-100
Insulating castable

Refractoriness ℃ min.

1620

1700

1700

Permanent Linear Change rate  %

-0.5∽+0.5???
(1100℃×3h)

-0.5∽+0.5
(1100℃×3h)

-0.3∽+0.3
(1100℃×3h)

-1.0∽+1.0
(800℃×3h)

-1.0∽+1.0
(1000℃×3h)

After FiringBulk Densityg/cm³

≥1.70
(1100℃×3h)

≥2.60
(1100℃×3h)

≥2.50
(1100℃×3h)

≤0.90
(800℃×3h)

≤1.10
(1000℃×3h)

Abrasion Resistance(wear loss)cm³ max.

15
(1100℃×3h After Firing)

0.2MpaRefractoriness under load (beginning softening temperature),℃ (reference value)min.

1120

Chemical Composition%   Al₂O₃
min.

35

60

60

Cold Modulus of Rupture(110℃×24hAfter Drying) Mpamin.

4.0

8.0

10.0

0.6

1.2

hot stateModulus of RuptureMpamin.

12.0
(1000℃×3h)

0.5
(800℃×3h)

0.5
(1000℃×3h)