1.High quality Caustic Soda Flakes and Pearls 2.tech grade, manufacture 3.low price and delivery immediately 4.best service 1.Detailed Product DescriptionCaustic soda flake, pearl or solid Purity 99% 98% 96%25tons/1*20"FCL 40bags/ton2.Specifications: ComposingFlake/Pearl 96%Flake/Pearl 98%Flake/Pearl 99%NaOH96%min98%99%minNa2CO31.2%max1.0%max0.5%maxNaCL2.5%max0.08%max0.03%maxFe2O30.008%max0.01% ...