NaOH, caustic soda (sodium hydroxide) paper making, soap making, textiles, printing & dyeing, chemical fiber, ... allowed. Packing:25 kg pp bagSpecification: ItemsSuper GradeStandard grade.Sodium Hydroxide %≥99.599.0Sodium Carbonate%≤0.50.8Sodium Chloride ... 060Copper %≤0.00020.0003Calcium %≤0.0050.008Application: Mainly used in paper making, soap making, textiles, printing & dyeing, chemical fiber, ...