Customization: | Available |
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CAS No.: | 7681-57-4 |
Formula: | H2O5s2.2na |
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Items | Standard | Test Result |
Content(Na2s2o5) ≥ | 97.0% | 97.5% |
SO2: ≥ | 65.0% | 66.2% |
Iron(Fe) :≤ | 0.002% | 0.0015% |
Ar senic (As) ≤ | 0.0001% | <0.0001 |
Water Insoluble Matter: ≤ | 0.02% | 0.01% |
PB: ≤ | 0.0005% | 0.00048% |
PH | 4-4.8 | 4.58 |
(1) Food Grade: Bleach agent (e.g. candies, cake, bamboo shoots, etc); Loose agent (e.g. bread, cracker etc); Antiseptic and germicide (e.g. fruit juice, tinned food, brews, the cereals food is defended storage etc); Inhibitor and freshen agent (e.g. day lily, seafood, fruit and vegetable etc).
(2) Industry Grade: Mordant of printing and dyeing; Dechlorinate of textile after bleaching; Sulphonated agent and reducer of chemical industry and pharmacy; Bleach of paper pulp, bamboo and timber bleach of Stap; Treatment agent of waste water; Rubber solidifying agent Perfume industry is served as hydro carbon perfume aldehyde
The hide profession employ to do to molt dose and pliable dose and wearproof dose; sewage treatment, and so on .
(3) Pharmaceutical Grade: In chemical synthesis in the production of acrylic fibre, vitamin K, vitamin A, pharmaceutical intermediates, etc.
(4) Photo Grade: The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose.
Package:25lg/bag,1000kg/bag,1350kg/bag
Shipping marks can be customized according to customer requirements
Q: Are you a factory or a trading company?
A: We are a trading company, but we have worked with many factories for many years. The prices are very competitive.
Q: How do I order?
A: Make an inquiry to us → customize drawing and sample → Inform us of use scenario → Receive our product design recommendation → Discuss details → Confirm sample → sign contract/deposit → Mass production → Goods ready → Balance/delivery → Further cooperation.
Q: What about the sample order?
A: I can give you the sample. Please contact us for details. Once we charge you the sample fee, rest assured that it will be refunded when you place your official order.
Q: Which modes of transportation are available?
A: Sea, air, land, express, special line. Can meet your any need.
Q: How long does it take for delivery [production] and shipment?
A: The delivery time depends on the quantity you order. It usually takes 7-15 working days.
Q: I'm missing some products in my package. What can I do?
A: Please contact our support team, we will confirm the contents of your order with packaging, compensation according to the actual situation, we apologize for the inconvenience.
Q: How do I confirm payment?
A: We accept wire transfer, paypal payment, other payment methods are also acceptable, please contact us before you pay through other payment methods. Another 30% down payment is feasible and the balance should be paid before shipment.