China Sodium Hydrosulfite

Products ImagesProduct Description
Product Superiority

1.High quality with best price
2.Well reputation
3.Factory with strong supply ability
4. prompt shipment


Product Name: Sodium Hydrosulfite
Other Name: Sodium Hydrosulfite
Appearance: White Free-flow Crystal Powder
CAS No.: 7775-14-6
EINECS No.: 231-890-0



Property: Clear monoclinic crystal or white crystalline powder; Sulfa dioxide odor; Specific density: 1.48; Dissociate upon
heating; Water soluble; Acidic aqueous solution; Slightly soluble in alcohol; Readily oxidized into sodium sulfate in air;
Strongly reductive; Form adduct with formaldehyde; Storage: Tightly sealed and avoid light.

Product Application
1.Widely used in textile industry for vat dyeing, reduction cleaning, printing and stripping, textile textile bleaching .
2. It is also used in bleaching paper pulps , especially mechanical pulps, it's the most fittable bleaching agent in pulps.
3. It is used in bleaching kaolin clay, fur bleaching and reductive whitening, bleaching of bamboo products and straw products,
4. It is used in mineral, the compound of thiourea and other sulphides.
5. It is used as reducing agent in chemical industry.
6. Sodium hydrosulfite food additive grade is used in foodstuffs, as bleaching agent and preservative dried fruits, dried
vegetable, vermicelli, glucose, sugar, rock sugar, caramel, candy, liquid glucose, bamboo shoots, mushrooms and canned mushrooms.


Item
90%
88%
85%
Food grade
Na2S2O4%≥
90
88
85
85
Fe %≤
20 ppm
20 ppm
20 ppm
20 ppm
Zn %≤
1 ppm
1 ppm
1 ppm
1 ppm
Clarity
Clarify
Clarify
Clarify
Clarify
EDTA
-
-
-
Qualified
AS≤
-
-
-
1ppm
Other heavy metals(Pb) ≤
-
-
-
1ppm
HCHO≤
-
-
-
0.05
Water insoluble matte r% ≤
0.05
0.05
0.05
-Packaging & Shipping
Parking： Drum sealed packaging, polyethylene film bag lined with double N.W:15KG/20KG/25KG/50KG/100KG/200KG
Port:Tianjin/Qingdao
Company Profile

Hebei Simel import & Export Trading Co.,Ltd is a professional supplier of a series of basic raw materials Located in the capitalcity of Shijiazhuang City, Hebei Province.
We are mainly specialized in Water treatment agents,Organic & Inorganic raw materials,metal products,etc...
Long time our main market is in domestic,in order to meet our foreign customer requirements, we recently have set up a speciallyexport departments, I also hope our products can enjoy the reputation in foreign countries, and hope to make more foreign customerfriends!
With the excellent product quality and perfect service system, we've passed the ISO9001:2000 Certificate, and our products areenjoyed by both domestic and foreign clients. Our high quality products and service have lead us won a set of clients throughoutthe world such as South America, Southeast Asia, Africa, Middle East and European countries. From beginning to end, we uphold ourenterprise spirit of "Quality first sincerity foremost". We warmly welcome all foreign friends to be our business partners on thebasis of mutual benefits, and wish to establish good relationship with each other in the near future.Certifications
FAQ
Q: Are you a factory or trading company?
A: We are one company integrated industry and trade. No matter the products we manufacture or trade, high quality products and competitive price always will be provided for you.

Q: How long have you run on export trade?
A: Long time our main market is in domestic,in order to meet our foreign customer requirements, we recently have set up a
specially export departments, I also hope our products can enjoy the reputation in foreign countries, and hope to make more foreign customer friends!

Q: What's your payment terms?
A: We accept all payment T,LC,DP,Pay pal. But for first time, we only do TT.Q: What's your delivery time?
A: Usually we will arrange the shipment in 7 -15 days.

Q: What documents you provide?
A: Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.
Our Services
1.prompt reply & instant communication available.
2.Samples provided for free.
3.Customized packaging bag.
4.Large stocking & lightning consignment.
5.Photoe all-the-way for cargo tracing after order /confirm/iation
6.Quality guaranteed that every item comes from the first class factory.
7.One-stop traking service until the goods trucked to your warehouse.
8.A professional foreign team serve for you.Contact Us
Hebei Simel Imp. & Exp. Trading Co.,Ltd
Contact person:Taine Wang .
Tel: +86-311-86618878
Fax: +86-311-86618879
Mob: +86-18713277785
WeChat: simel116E-mail:sales06@simeltrade.com
Web: www.simeltrade.com
Web on Alibaba.com: simel.en.alibaba.cn