Industrial Food Grade Sodium Metabisulphite 97% Min White Powder for Water Treatment Bleaching,
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Sodium Metabisulphite, also known as Sodium Pyrosulfite (SMBS), is a white or slightly yellow crystalline powder with pungent sulfur‑dioxide odor. It is easily soluble in water and decomposes when exposed to humid air. This chemical is available in both industrial grade and food grade for diversified application scenarios.

As a powerful reducing agent, SMBS is widely adopted in water treatment industry for dechlorination and heavy‑metal removal. In food industry, food‑grade sodium metabisulphite functions as preservative, antioxidant and bleaching agent for fruit, vegetable and food processing. For textile sector, it works as bleaching and de‑oxidizing agent for fiber printing and dyeing. It is also extensively used in mining mineral processing, pulp paper bleaching, leather processing and chemical synthesis fields.

Our sodium metabisulphite maintains high purity with stable performance. The standard packing is 25kg woven bags. Palletized loading is available for safe ocean transportation. We can provide large‑volume stable supply for overseas clients, and customize specifications according to customers’ practical operating conditions.