3.Technical Data:
Item
|
Index
|
Measuring Method |
|
70%
|
28%
|
||
Appearance
|
White to yellowish paste
|
Colorless to yellowish
clear liquid |
eye measurement
|
Active matter, %
|
70±2
|
28±1
|
GB/T 5173-1995
|
Sodium sulfate, % (relative to
100% active matter ) |
1.5 max.
|
1.5 max.
|
GB/T 6366-1992
|
Unsulfated matter, %( relative to 100% active matter)
|
2.0 max.
|
2.0 max.
|
|
pH value (1% a. m.)
|
7.0~9.0
|
7.0~8.5
|
GB/T 6368-1993
|
Color, Hazen (5% a. m.)
|
20 max.
|
10 max.
|
GB/T 3143-1982
|
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