|
NO.
|
Inspection Items
|
Technical Requirements
|
|||
|
High-quality rank
|
Lightning arrester
|
Japanese
|
Top grade
Heavy breathing |
||
|
1
|
Content
|
99.7
|
99.7
|
99.5
|
99.7
|
|
2
|
Zn
|
no
|
no
|
no
|
no
|
|
3
|
PbO
|
0.037
|
0.037
|
0.005
|
0.003
|
|
4
|
Mn
|
0.0001
|
|
|
|
|
5
|
CuO
|
0.0002
|
0.0002
|
|
0.0002
|
|
6
|
K
|
|
0.001
|
|
|
|
7
|
Na
|
|
0.001
|
|
|
|
8
|
Fe
|
|
0.002
|
|
0.001
|
|
9
|
Cd
|
|
0.005
|
0.002
|
0.0005
|
|
10
|
Insoluble Content in HCL
|
0.006
|
0.006
|
|
0.003
|
|
11
|
Ignition Loss
|
0.2
|
0.2
|
|
0.2
|
|
12
|
Soluble Content in Water
|
0.1
|
|
0.1
|
0.1
|
|
13
|
Heat Loss(105℃)
|
0.3
|
0.3
|
0.3
|
0.3
|
|
14
|
Sieve Residue(45μm)
|
0.1
|
0.1
|
0.1
|
0.05
|
|
15
|
PH
|
|
7-7.8
|
|
|
|
16
|
Diameter on Ave rage(μm)
|
|
0.5
|
|
|
|
17
|
Appearance
|
White
|
White
|
White
|
White
|
|
18
|
Nitrogen Adsorption Surface Area
|
|
|
4
|
4
|
