Product Description
Molecular Formula: NaOH
Molecular Weight: 40
Producing Process: Diaphragm Process&Ion-membrane Process)
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 ( Ion-membrane Process) First Quality (Diaphragm Elec-Process) 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 Standard: GB 11212-89