The uses of food-grade Sodium Sulfite Anhydrous
- Preservative: Inhibits bacteria/fungi in fruits, veggies, jams.
- Antioxidant: Maintains color/flavor in dried fruits, wines.
- Reducing agent: Aids in food processing (e.g., starch production).
The uses of tech-grade Sodium Sulfite Anhydrous
- Water treatment: Removes chlorine from tap water/wastewater; prevents pipe corrosion.
- Pulp & paper: Bleaches pulp; helps remove lignin for brighter paper.
- Textile industry: Acts as a dyeing auxiliary (e.g., stabilizes dyes, removes excess bleach).
- Metal processing: Prevents oxidation (rust) on metal surfaces during storage/processing.