... . Used in textile,paper making,oil industry, Product: caustic soda pearls 99%About us:1 Here, Tianjin Xingkai Chem Co.,Ltd ... .NaCl0.015% Max.Fe2O3 0.004% MaxAppearance: Caustic Soda Pearls appear white pearls with strong corrosiveness, which is dissolved in water easily. It ... , plastic, and many kinds of organic-medical, ect. Caustic soda pearls