... including Caustic Soda Flakes ,Solid ,Pearl (99%,98%,96%), Our monthly output is 8,000 Metric Tons. We supply 3000--50000MT ... %MinNa2CO30.2Max0.3Max0.2MaxNaCl0.03Max1.8Max0.005MaxFe2O30.002Max0.003Max0.001Max Top Quality--caustic soda liquid /Lye 50% --Factory