1.Product Specification
|
|
TECH GRADE
|
FOOD GRADE
|
|
NA2S2O5
|
>95.0%
|
>97.0%
|
|
SO2
|
---------
|
>65%
|
|
FE
|
<0.005%
|
<0.005%
|
|
WATER INSOLUBLE
|
---------
|
<0.05%
|
|
HEAVY METAL(PB)
|
----------
|
<0.001%
|
|
AS
|
<0.0002%
|
<0.0001%
|
2.Package
25KG/50KG compound plastic woven bag with inner polythene liner,
1000kg Jumbo bags,
Any other particular requirements to the package can be discussed.

3.Physical appearance
White or slightly yellowish crystalline powder
4.Application:
Bleaching agent for textile fibres, colors stripper and dechlorination,
Prearation of Indigo Vat Dye,
Solubilizing and aci dyfing agent for leather industries,
Bleaching agent for paper pulps ,
Preserve-ative and sterilization agent for flood industries.
5.shelf Life: half One year
6.Storage&handing :
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 oxidze easily to sodium sulphate.
Do not stores it for long time.

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