1. Highly purity 2. Reasonable price 3. Use for Glass industry,metallurgical industry 4. 25kg/bag 5. Spec: Appearance--------------------white crystal powder Solubility------------------------easily soluble in water Purity----------------------------99.2% min. Chlorides------------------------0.7% max. Fe --------------------------------0.004% max. Water insolubles---------------0.04% max. LOI--------------------------------0.8% max. Sulphate-------------------------0.03% max. 25kg/pp bag 25T/20'FCL