APPEARANCE:White monoclinic crystal or powder
MOLECULAR FORMULA: Na2SO3
(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in paper making, electronic and water treatment industry.
(2) Food Grade: In food industry as additive preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
(3) Photo Grade: In the photographic industry as component of developer bath.
Package:In 25kg or 50kg plastic woven bag lined with PE bag net each,according to the customer’s demand.
不溶物Water-Insoluble , %≤
氯化钠 (NaCl ) ,%≤
硫酸钠(Na2SO4 ) ,%≤
重金属 (Pb) ≤%