| Quantity: | |
|---|---|
90%~99%
FONDLAND
2833400010
Product Description
Appearance:white gravel or powder crystal
Package：25kgs pp bag
MOQ：25tons
Sales Models: Wholesale
content：97%min
Usage:
1.Used as bleaching agent,preservative,loosening agent and antioxidant in food industry.It is also used in pharmaceutical synthesis and as a reducing agent in the production of dehydrated vegetables.
2.It used as dye reducing agent in the smelting of various cotton fabrics to improve the products' whiteness.the textile industry is used as a stabilizer for man-made fibers.
3.The paper industry is used as a lignin remover.
4.The electronics industry is used to manfacture photoresistors.
Used as a developer in photosensitive industry.
5.The water treatment industry is used for electroplating wastewater,drinking water trestment,etc.
6.Used as a reducing agent in the organic industry is in production to prevent the oxidation of semi-finished products during the reaction process.
7.Used to produce cellulose sulfite,sodium thiosulfate.
COA
COA is an important document to prove product accountability. It reflects whether the quality of the tested substance meets the specified standards. It is not important for ensuring product quality and improving product competitiveness.
The COA we provide are all the results of the factory's strict inspection, please rest assured for reference;
Item | specification |
Product name | Sodium sulfite |
Purity(As Na2SO3) | 97%min |
Sodium sulphate ( SO4) | 2.0%max |
Chlorides ( As NaCL) | 0.1% max |
Heavy metals ( As Pb ) | 0.001%max |
Iron (Fe) | 0.003% max |
Water insoluble | 0.02% max |
Free alkall(as Na2CO3) | 0.10%max |
Arsenic | 0.0002%max |
Our Company
FAQ
1. Q: Are you manufacturer or trading company?
A: We are trading company but we have shares in several cooperated factories.
2. Q: What would you do to guarantee the product quality?
A: We have professional quality control team with strict quality control system and rigorous QHSE.
We give supervision on container loading and delivery to ensure the clearness and neatness of package.
3. Q: What about your price?
A: We always supply the products with appropriate price,because we believe this is an effective way to build
long - term business with our customers and earn good reputation.
4. Q: What payment terms do you accept?
A: For new customers, we accept 30% T/T in advance,70% balance against copy of shipping docs,L/C at sight;
For old customers, the payment terms can be negotiated accordingly.
5. Q: What about the order lead time?
A: Usually the order lead time is 10-15days after receiving your prepayment.
