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Persona de contacto Ms. Carrie
Changqing Road, Shijiazhuang, Hebei
Properties: Sodium Sulfite is a reducing agent soluble in water. Its solution in water is basic. It is feeble soluble in liquid chlorine or ammonia. Usage: It is used as a desoxydating or bleaching agent for printing and dyeing industry, as a developer for photographic industry. As a lignin-removing agent for paper industry, as a stabilizer for syntheticfiber for textile industry, as a reducing agent for chemical industry, or for electroplating industry etc. Package Storage and transportation: (1)Plastic film-lined PP woven bag, Net weight per bag: *5Kg or *0Kg. (2)Not allowed in a room with any oxidant or strong acid, and keep away from an oxidation by air or humidity. (3)Keep away from sunlight and humidity during its transportation. (4)Storage life: No more than half year from ex-factory date. Items Norms (industrial grade) Superior-grade First-grade Qualified-grade Na 2 SO 3 -content % ≥ *7.0 *6.0 *3.0 Fe-content % ≤ 0.**3 0.**5 0.*2 Water-insoluble matter content % ≤ 0.*2 0.*3 0.*5 Free alkali (as Na)content % ≤ 0.*0 0.*0 0.*0 Na 2 SO 4 -content % ≤ 2.5 NaCL-content % ≤ 0.*0
