Item

NL-70

NL-60

NL-45

Spec.
Data

Typical Data

Spec.
Data

Typical Data

Chemical Analysis Al₂O₃ %

≥70

≥60

　≥45

Refractoriness°C

≥1760

≥1720

≥1700

Test Temp. Lining Change ≤±1% °C*3h

1450

1400

1350

Cold Crushing Strength， After 110°C Mpa

≥10

≥9

≥8

≥2

≥1.5

≥1

1450

1400

1350