Chemical Formula : Na2S2O5 Physical Appearance : White Crystalline Powder Quality Standard : GB1893-1998 Application: bleaching agent for textile fibers; colors stripper and dechlorination; preparation of indigo Vat dye; solubilizing and acidifying agent for leather industries; bleaching agent for paper pulps; preservative and sterilization agent for food industries Package:25kg/ 50kg compound plastic woven bag with inner polythene liner; 1000kg jumbo bags , any other particular requirements to the package can be discussed. Shelf life: Half one year Storage & handling: Store the product in a cool and dry place: prevent from direct sunlight , water and moisture: avoid contact with strong acid, oxidants or poisonous substances. Exposure to moisture will make it oxidize easily to sodium sulphate. Do not store it for long time. Description: Product Specification:

	Tech Grade	Food Grade
Na2S205 %	>99.0 %	>99.5 %
SO2	…………..	>65 %
Fe %	<0.005	<0.005 %
Water Insoluble	…………..	<0.005 %
Heavy Metal (Pb) %	………….	<0.001 %
As %	< 0.0002	<0.0001 %

Packing : 25kg. Plastic woven bag

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Uses : it can be used as the material of medicine, or use as curing gent of rubber. It also can used in the process of leather. Moreover, it can be used as the material of fine chemicals, or used as developer in food industry. It can be used as bleaching agent, loosening agent. Antisepsis bactericide and anti-oxyzen and staling agent.

Passeig de less Estaselles, 26 08600 – BERGA SPAIN Tenigram Europa, Avinguda Barcelona, 105, IG-Nova Tecnospai D7, Barcelona / Cataluña / Europa