Appearance: Pearl & Flake, White and lustrous; Slight yellow is allowed.
Application: Mainly used in paper making, soap making, textiles, printing & dyeing,chemical fiber, pesticides, petro-chemical, medical and food industries.
|
Items |
Best Quality |
First Quality |
|
Sodium Hydroxide %≥ |
99.5 |
96.0 |
|
Sodium Carbonate%≤ |
0.5 |
0.8 |
|
Sodium Chloride %≤ |
0.05 |
0.05 |
|
Ferroso-ferric Oxide %≤ |
0.004 |
0.005 |
|
Silicon Dioxide %≤ |
0.004 |
0.006 |
|
Sodium Sulfate %≤ |
0.050 |
0.070 |
|
Copper %≤ |
0.0002 |
0.0005 |
|
Calcium %≤ |
0.005 |
0.008 |