Appearance : White crystallites powder
Description :
It has the smell of sulfur dioxide. It can lose some part of sulfur dioxide in the air, at the same time it is oxidated to the sulfate. It can be dissolved about in the water, while can be dissolved slightly in the ethanol, and the water solution shows acidity. Normally, it includes many kinds of the different proportion of Sodium metabisulfite.
Usage
(1) Industry Grade : Used in Dyeing and printing Industry ,as dechlorinating agent and bleaching agent, in leather and tanning industry as bleaching agent , developer agent , reductant agent , stabilizer agent , or used in papermaking, electronic and water treatment industry.
(2) Food Grade: In food industry as additive (E223) preservative, antioxidant and antimicrobic for fruits (dried, glazed and candled), vegetables (onions, potatoes, etc.), juices (citrus and grapes) and fish (shrimps and prawns). In silage treatment as antifermentative. In starch and sweeteners production as bacteriostatic.
(3) Photo Grade: In the photographic industry as component of developer bath.
(4) Pharmaceutical Grade : pharmaceutical industry for the production of chloroform, benzene and formaldehyde phenylpropanoid Sulfone
Storage
Sodium sulfite should be stored in a dry and cool place.
Speicificaion
Specification for Industry Grade and Food Grade :
Item | Quality Index | |
Industry Grade | Food Grade | |
Purity ( As Na2SO3) | 96.0% min | 98.0% min |
Sodium sulphate ( SO4) | 2.0% max | 1.0% max |
Chlorides ( As NaCL) | 0.5% max | 0.1% max |
Arsenic ( As ) | - | 0.0002% max |
Heavy metals ( As Pb ) | - | 0.0005% max |
Iron (Fe) | 0.005% max | 0.002% max |
Water insolubles | 0.05% max | 0.02% max |
| Packaging Details: | Sodium sulfite is packed in net weight 25kg plstic woven bag with plastic inner bag. 25tons/20'FCL. |
| Delivery Detail: | 14 days after receive confirmation of order |
Juxinghuihong (Tianjin) International Trading Co., Ltd. was founded in 1995 , established with registered capital 5, 000, 000 RMB,Our company located in Dongli City, Tianjin Development Zone, close to the port of Tianjin and Tianjin International Airport with convenient transportation. The work environment and facilities are perfect .our company is a trade company mainly engaged in chemical industry and furniture. The chemicals are included in: Liquid caustic soda, caustic soda flakes, caustic soda pearls, zinc oxide, calcium chloride, etc. We engaged in caustic soda in 2005, Our caustic soda covers a wide range in types like liquid caustic soda with purity from 32%-50%, caustic soda flakes(96%, 98% and 99% as purity) and caustic soda pearls (96%, 98% and 99% as purity), which are at most competitive price. And widely used in making pulp, soap, dye, Cotton fabric, etc.
"Quality Uppermost, Continuous Creation" is the business principle that our company always abide by. Our products have been imported to Russia, Middle East and other regions. Our company have built cooperation in long term with many clients from many industries, like type manufacturing, ceramics making, paint factory, rubber producer, and become long term supplier of them... The company has always attached importance to the research and development of new products and have strict requirement on the quality of the products.
Nowadays, we have grew up to the raw material supplier of comprehensive chemicals.
Petroleum, ceramics, plastic processing companies, etc. In addition to supplying qualified products and sincere service to our clients, we supply newest product information and industry information, devoting to being the most reliable trader partner.
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