Sodium Metabisulfite:

Applications:
Antichlor in bleaching in textile industry, antiseptic in production of cellulose esters , main raw material in production of sodium hydrosulfite, aromatic alcohols and aldehydes, color removing in paint and leather industries, disinfectant in cosmetic industry, various applications in paper, fiber, rubber and adhesive industries.

In Food:
Sodium metabisulfite is generally used as a food preservative for dried foods, like potato chips, raisins and apples, as well as fruit concentrate juices. It acts as an antimicrobial, inhibiting the growth of fungi and bacteria, thereby keeping food fresh and safe.

In Industry:
Sodium meta bisulfite is generally used as intermediates, oxidizing/reducing agents, plating agents and surface treating agents, process regulators, processing aids, not otherwise listed, surface active agents