Product Main

Specifications

Activated a-Al2O3 micropowder:
1.high phase inversion rate
2.good activity
3.high bulk density
4.good thermal strength

 
Activated α-Al2O3 micropowder,calcined α-Al2O3 micropowder,refractory raw material
Activated α-Al2O3 micropowder has the properties as followings,low water consumption,good activity and liquidity,high bulk density,good thermal strength and high phase inversion rate.

Activated α-Al2O3 micropowder is widely used to good quality bulk refractory materials and fine ceramics.
Items
Middle diameter(μm)
True density,g/cm3
Chemical composition,%
Guarantee value
Typical value
Guarantee value
Typical value
Guarantee value
Low sodium
B1L-4D
≥3.0
6.92
≥3.95
3.97
A2O3≥90.0
B2L-06D
0.6~0.7*
0.68
≥3.95
3.97
SiO2≤0.2
B2L-10D
0.8~1.2*
0.94
≥3.95
3.97
Fe2O3≤0.1
B1L-40
3~5
3.81
≥3.95
3.96
Na2O≤0.1
B2L-05D
D50(μm)
True density,g/cm3
Chemical composition,%
Guarantee value
Typical value
Guarantee value
Typical value
Guarantee value
0.75~0.95
0.85
3.93
3.9
SiO2≤0.3
Fe2O3≤0.1
Na2O≤0.1
Middle sodium
B1M-40D
1.5~2.5
2.06
≥3.93
3.94
Al2O3≥99.0
B1M-3D
2.5~4
3.2
≥3.96
3.97
SiO2≤0.2
B2M-07D
0.7~0.9*
0.74
≥3.93
3.94
Fe2O3≤0.1
B2M-20D
1.5~2.5
2.36
≥3.93
3.95
Na2O≤0.3
B3M-08D
0.7~0.9*
0.84
≥3.93
3.84
Al2O3≥99.0
B3M-12D
1~1.5
1.29
≥3.93
3.94
SiO2≤0.2
B3M-4D
3~5
3.33
≥3.93
3.95
Fe2O3≤0.2
B2M-12D
1~1.5
1.29
≥3.93
3.94
SiO2≤0.2
Fe2O3≤0.1
Na2O≤0.3
B2M-SF1
1~2
1.45
≥3.93
3.94
SiO2≤0.2
Fe2O3≤0.1
Na2O≤0.3
Packing
Be packed in 25kg woven bag or as per customers’ requirements