Caustic soda pearl is white spherical grain which is one of the basic chemical materials, and the high purity caustic soda pearl is the upgrade product of the solid caustic soda pearl.Testing result:NaOH: 99.4%,  Na2CO3:0.27%,  NaCl:0.010%,  Fe2O3:0.002%Testing result of the Food Grade:NaOH: 99.1%,  Na2CO3:0.56%,  As :<0.0003%,  Heavy metal :<0.002%Pb:0.0003%,   Hg:0.000005%, The undissolved substance and organic impurity: Passed the inspectionIt is used in synthetical detergence, textile, paper making, printing, dyeing, soap; the original dye, the dissolving agent of the dye which is not soluble in azote; medicine, food, rayon, petroleum and war industry etc.

Caustic soda pearl