caustic soda 99% NaOH 99%NaCI%<=0.03 Na2CO3%<=0.5 Fe2O3%<=0.005 passed SGS BV test packing:200kg/drum.. MF: NaOH Custic soda,NaOHItems Specification Flakes/Pearls/Solid Purity 96%99%NaCo3 1.4% Max 0.5% Max NaCl 2.8% Max 0.04% Max Fe2O3 0.008% Max 0.005% Max Surface White Flakes/Pearls/Solid Uses:Synthetical detergence, textile, paper making,printing,dyeing,soap,rubber,medicine,food,etc.Packaging: ...