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Density g/cm³

密度

2.4

Ratio of refraction

折光率

1.58

Chemical constituent

化學成分

Al(OH)3  [%]        ≥ 

99.7

99.7

99.7

99.7

Al₂O₃    [%]          ≥

64.5

64.5

64.5

64.5

SiO₂     [%]        ≤

0.05

0.05

0.05

0.05

Fe₂O₃    [%]       ≤

0.01

0.01

0.01

0.01

Na₂O    [%]        ≤

0.35

0.35

0.35

0.35

Loss on ignition 灼減 ≤

35.0

35.0

35.0

35.0

Attached water水分  ≤

0.4

0.4

0.4

0.4

+325 mesh  325目篩上≤

0.01

0.01

0.1

0.5

oil absorption 吸油率  ≈

32

32

32

32

Particle size

粒度

[um]

D10

0.3-0.6

0.3-0.6

0.5-0.8

0.7-1.0

D50

1-2

1-2

2-4

4-6

D90

4-6

4-6

7-10

8-12

Specific conductivity 電導率[μs/cm]

150

200

150

150

Whiteness 白度  [R457]         ≥

97.0

97.0

96.0

96.0

PH value PH值

10.0±1.5

Notes: In this specification, the mean particle size can also be produced according to customer's requirements. 備注：可根據(jù)客戶要求調整產品粒度