人造瑪瑙填充料HJ-90

Molecular weight分子量

78

Mohs hardness

摩氏硬度

3

Density g/cm³

密度

2.4

Ratio of refraction

折光率

1.58

Item                    Model

HJ-90

HJ-80

HJ-90K

HJ-90W

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    [%]        ≤

0.30

0.30

0.30

0.30

Loss on ignition 灼減 ≤

35.0

35.0

35.0

35.0

Attached water水分  ≤

0.4

0.4

0.30

6

+325 mesh  325目篩上≤

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oil absorption 吸油率  ≈

23

23

23

23

Mean particle diameter粒度（D50） μ m   

85-105

75-95

85-105

85-105

Whiteness白度     [R457]         ≥

93

93

83

83

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：可根據客戶要求調整產品粒度