... textile,paper making,oil industry, Product: caustic soda pearls 99%About us:1 Here, Tianjin Xingkai Chem Co ... in Vietnam for 3 years. Specification: ComposingCaustic Soda Pearls 99%NaOH99% Min.Na2CO3 0.4% Max.NaCl0.015 ... Max.Fe2O3 0.004% MaxAppearance: Caustic Soda Pearls appear white pearls with strong corrosiveness, which is dissolved in water ... many kinds of organic-medical, ect. Caustic soda pearls