Sales specification
|
|
Appearance:
|
Brown powder
|
|
Ion type:
|
Negative ion
|
|
Dispersion force:
|
100% Min
|
|
Heat resistant stability 130°C:
|
4-5
|
|
Content of sodium sulphate:
|
7% Max
|
|
Content of calcium and magnesium:
|
0.6% Max
|
|
Content of water insoluble substance:
|
1.5% Max
|
|
Content of reduzate:
|
4% Max
|
|
Moisture:
|
6% Max
|
|
PH Value (1% aqueous solution):
|
7-9
|
