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Categories

Calcined alumina

Activated alumina

Bimodal alumina

Indicators

BM-9FG

BM+1

BM-12D

BM-10

BL-2

BI-2

Na₂O(%)

0.20

0.04

0.15

0.20

0.04

0.05

Fe₂O₃(%)

0.04

0.04

0.04

0.02

0.03

0.04

MgO(%)

0.02

0.01

0.02

0.01

0.02

0.01

SiO₂(%)

0.06

0.05

0.06

0.05

0.07

0.06

CaO(%)

0.02

0.02

0.02

0.02

0.03

0.02

α- Al₂O₃相含量(%)

＞95

＞95

＞95

＞95

＞95

＞95

比表面積/BET(m²/g)

1.10

1.28

2.15

2.86

3.71

1.70

D50 Malvern(μm)

4.3

3.7

2.35

2.10

1.12

3.20

D90 Malvern(μm)

15.2

9.2

8.20

8.91

3.80

9.50

Categories

Brand number

Scope of application

Calcined alumina

BM-9FG

 Skateboards, three major parts, other shaped products, castables containing silica fume system, spraying coatings, etc.

BM+1

 Plastic, paint, mortar, etc.

Activated alumina

BM-12D

 Castables for tapping ditches, ordinary castables, spraying coatings, kiln furniture, etc.

BM-10

 Ladle castable, block, etc.

BL-2

  No silica fume, ultra-low silica fume castable system, etc.

Bimodal alumina

BI-2

  Permeable bricks, seat bricks, corundum self-flowing castables, etc.