Sodium Sulphate Filler Masterbatch Mfg, Sodium Sulphate is Engineered sulfate Anhydrous salt , chemically very stable, and is unreactive toward most oxidizing or reducing agents at normal temperatures. the most abundant natural form and is derived with unique surface treatment which enhance dispersion during compounding application Anhydrous treated salt is used for better transparency in plastic application. sodium sulphate filler grade, sodium sulfate masterbatch grade, sodium sulphate for plastic,