Property:   White or light-yellow crystalline powder, smell of SO₂. No other smell when dried. Specific gravity is 1.4. It’s soluble in glycerine, It’s soluble slightly in alcohol.

Specification:  

Usage:   Mainly used for manufacturing sulphuric acid and bactericidal agent, Carrying out vegetable dehydrate, fruit preservation and bleaching.

Packing:    In 25kg plastic woven bags lined with PE bag.