... supply high quality Caustic Soda Flakes, Pearls, Solid, mainly used in Papermaking, Soap Making, Artifical Fiber, Priting et High quality Caustic Soda Flakes, Pearls, Solid, mainly used ... 086%Fe2O30.005% max.0.004% ItemsStandardResultsNaOH FLAKES99% min.99.20%Na2CO30.8% max.0.78%NaCl0.08% max ... 6mm, 1.6-3mm Flakes, Pearls: packing in 25kg plastic woven bag with plastic inner.Solid: packing in 200kg and ...