... leading manufacture & exporter of Sodium Sulphide 60%min. We export Sodium Sulphide Flakes, Sodium Sulphide Yellow Flakes 60%min, Sodium Sulphide Solid in high ... , presenting strong alkaline solution, easily oxidized when exposed to air.Specification: Na2S (%): 60%MinFe: 1500PPM, 150PPM, 80PPM, 50PPM, 30PPM, 20PPM, ... Insoluble(%)0.2MaxFe(%)0.001Max/0.0005Max High Quality Sodium Sulphide Flakes