... dry area CAS No.: 1310-73-2Other Names: SODIUM HYDROXIDE EINECS No.: 215-185-5Place of Origin: Hebei China ... : 99,96Appearance: flakesColor: whiteContent: 96%,99% prills: sodium hydroxide Packaging Detail:25kg/bag , waterproof packing ,2 PE layers inside ... ,96Appearance: flakesColor: whiteContent: 96%,99%pearls: solidprills: sodium hydroxide Packaging Detail:25kg/bag , waterproof packing ,2 PE layers ...