Sodium hydrosulphite is a powerful reducing agent widely used in textile processing, paper manufacturing, and chemical production. Usually supplied as a white to pale yellow crystalline powder, sodium hydrosulphite is valued for its strong bleaching and decolourising properties, helping to improve product appearance and quality. Its rapid reduction capabilities make it particularly effective in applications requiring colour removal or chemical treatment. Sodium hydrosulphite is also known for its reliability in demanding industrial processes where consistent results are essential.