Best price white powder Na2S2O4 88% sodium hydrosulfite
Categories Sodium hydrosulfite Album View larger image Model sodium hydrosulfite melting point 52-55°C hs code 2831101000 sodium hydrosulfite Rongalite C original place Hunan, China package 50kg iron drum mol wt 174.108 smell no smell or slightly sulfur dioxide smell application1 vat dyeing application2 reduction cleaning applications printing, stripping and bleaching Unit Price US $ 1075-1100 / ton FOB port Qingdao or Shanghai Terms of Payment L/C, D/P, Western Union, T/T Update Time 2020-07-07Detail Information
Competitive price white powder
Na2S2O4 90%88%85% sodium
General Description of Sodium Hydrosulphite:
(1) Appearance : It is a white sand -like crystals or yellowish powder chemicals
(2) Security Description : toxic , getting fire or explosion occurred , decomposing toxic gases
(3) The description of a spontaneous combustion hazard , instability explosive , toxic (aqueous solution )
ABOUT SAFETY : Avoid contacting it with moisture, acids, oxidizing chemicals and combustible organic
HG/T 2074-2011 Product Specification
Items Special First Normal sodium hydrosulfite(Na2S2O4)% , ≥ 90.0 88.0 85.0 physical appearance white crysal powder smell no smell or slightly SO2 smell state when dissolved Clear or slightly muddy when dissolved in formaldehyde
GB 22215-2008 Product Specification
Items Index sodium hydrosulfite(Na2S2O4)% ≥ 88.0 Lead (Pb) ≤ 5 ppm Cadmiun (Cd) ≤ 2 ppm Arsenic (As) ≤ 1 ppm Ethylenediamine tetraacetic acid disodium (EDTA) Qualified Fformate (as HCOONa) ≤0.05%
Sodium Hydrosulfite Applications :
In the textile industry ,
It is widely used for reduction cleaning , printing and bleaching in the textile dyeing industry . And it is used as beacher of silk , wool , nylon fabric , such as bleach , because it does not contain heavy metals , the bleached fabric color is very bright .
In food industry ,
In food industry , it can be used for food bleach , such as gelatin , sugar, candied fruit , and soap , animals (plants ) oils , bamboo, clay of bleaching . It can also be used in organic synthesis , such as dyes , as a reducing agent in the production of drugs or bleach .
In pulp and paper industry ,
Sodium Hydrosulfite is the most suitable wood pulp and paper bleaching agent.
1)Iron drums with double polyethylene liners, net weight 50kg.
2)Internal callbackable container, net weight 1200kg each.
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1. Delivery time : within 7 days after received T/T advance.
2. Payment Terms : T/T 30% Advance payment and 70% Cash Against documents
3. FREE Sample : we offer 200-350g free sample for you to testify the quality .
4. Certificate : we offer Origin Certificate and our products are strictly following REACH regulations .
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