Product Specifications
| Prod Model: |
90%, 85% |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Product Description
Packaging & Delivery
Packaging Detail: 50kg net in iron drums with double PVC bags
Delivery Detail: 15-20 working days after the order confirmed
Specifications
Sodium Hydrosulfite 85%
Molecular formula: Na2S2o4
Molecular weight: 174.10
CAS No.: 7775-14-6
White Free-flow Crystal powder
Package: 50kg iron drums with double inner polybags.
Usage:
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.
Property:
1. White diamond crystal powder, soluble in water, slightly soluble in alcohol.
2. Sodium Hydrosulfite has strong reducing.
3. Sodium Hydrosulfite In water solution is not stable.
4. Sodium Hydrosulfite Meet moisture flammable.
5. Heated to 75 ° C above violent decomposition
6. Can be spontaneous combustion in 250 ° C.
Storage: Sodium hydrosulphite should be Stored in a cool, well-ventilated area. It 's relative humidity should remain below 75%. Packing seal, can not be touched air. It' store should be apart from antioxidant, acids, easy (can) burning content, avoid any mixed store. It should use explosion proof type lighting, ventilation facilities. To ban the use of sparks easy generation equipment and tools. Storage areas shall be with the right material for leakage content.
Hazard properties: Sodium Hydrosulphite belongs to 4.2 of spontaneous combustion items. It encountering a little of water or exposuring in the humid air will decompose fever, cause the smoke even burning and emits poisonous SO2. When 250 OC it will spontaneous combustion; And it encounterin gantioxidant will have a violent reaction causing the burning explosion.
Health hazard: Sodium Hydrosulphite has extremely irritating to eyes, respiratory and skin. It can cause headaches, nausea and vomiting when touch.
Operation caution: Airtight operation, local exhaust. Operators must receive special training, strictly abide by the procedures
Items
|
Index
|
Tech Grade
|
Food Grade
|
Na2S2O4, % ≥
|
85
|
88
|
90
|
85
|
Fe, ppm ≤
|
20
|
20
|
20
|
---
|
Zn, ppm ≤
|
1
|
1
|
1
|
1
|
As, ppm ≤
|
---
|
---
|
---
|
1
|
Heavy Metal(as Pb), ppm ≤
|
---
|
---
|
---
|
1
|
Water Insolubles, % ≤
|
0.4
|
0.4
|
0.05
|
0.05
|
China HTC Group Co., Limited. Is The Large-sized High Technology Stock Plastic And Resin Enterprise. The Company Is Located In Qingdao City Of China And Enjoys Very Convenient Transportation!
We Are A Leading Production Line Plastic And Resin In China. Due To Competitive Price And High Quality. Our Products Enjoy Good Reputation Both At Home And Abroad. Our Trade Partners Are Around The World, Mainly In America, Europe, Australia, South East Asia, Middle East And South Africa. In Order To Serve Customers Well, The Company Has Established Special Technical Department And After-sale Service Department. We Will Make Careful Reply If You Get Any Question.
The Company With All The Employees Will Constantly Purse Excellent Quality, Perfect Brand And Our Image, And Adheres To Our Spirit Of Honesty, Diligence, Seeking Truth And Progress And Insists On Business Philosophy Of Quality As Life And Service As Soul. We Will Satisfy Market Demands By Top Products And Better Service, And Will Welcome Market Challenge Forever.
Sincerely Welcome Domestic And External Customers To Negotiate And Trade.
