Brand

High Alumina

LP-55

LP-60

LP-70

Refractoriness ( ℃ )

≥1750

≥1790

≥1790

Al 2 O 3 (%)

≥55

≥60

≥70

Bending Strength

(MPa)

110 ℃

After drying

≥2

≥2

≥2

℃ ×3h

After firing

1300

≥ 6

1400

≥ 6

1400

≥ 6

Refractoriness Under Load T 2 ( ℃ )

≥ 1250

≥ 1300

≥ 1320

Setting Time (min)

1 ~ 2