Sodium pyrosulfite (Na2S2O5) is an inorganic compound, white or yellow crystal, with a strong pungent odor, soluble in water, aqueous solution is acidic, and contact with strong acid releases generates the corresponding salts. In the air for a long time, it is oxidized into sodium sulfate, so sodium metabisulfite can not be long.
TEST ITEMS
|
TEST STANDARD
|
TEST RESULT
|
Na2S2O5 |
≥96.5% |
97.42% |
FERRON(Fe) |
≤0.005% |
0.001% |
WATER INSOLUBLE |
≤0.05% |
0.02% |
As |
≤0.0001% |
<0.0001% |
HEAVY METAL(Pb) |
≤0.0005% |
<0.0002% |
CLARITY |
PASS |
PASS |
APPEARANCE |
WHITE OR LIGHT YELLOW CRYSTALLINE POWDER
|
PASS |
CONCLUSION |
THE ABOVE PRODUCT COMPLIES WITH INDUSTRIAL GRADE
|
• Photography Industry: In photography, sodium pyrosulfite is used as a component in fixer solutions, helping to stabilize the image.
• Paper Industry: It is used for the bleaching of pulp, enhancing the quality of paper.
• Water Treatment: Sodium pyrosulfite serves as a reducing agent in water treatment, capable of removing residual from water and preventing corrosion of equipment
• Textile Industry: In the dyeing and bleaching processes of textiles, sodium pyrosulfite acts as a reducing agent, helping to maintain the brightness of the fabric's color.
Packaging & Shipping
Packaging :25Kg/Ton Bag, Plastic Inside And Woven Outside, Can Provide Customized Service
Shipping:
Delivery Within 15 Days After Payment
10,000 Tons Suppy Monthly
Fast And Flexible Suppy Chain


Company Profile
Shouguang JIUCHONG Chemical Co.,Ltd. is located in the sea salt capital of China-Shouguang Weifang City, Shandong Province. Established in 2016, our company is mainly engaged in the production and sales of magnesium sulfate, calcium chloride, industrial salt, sodium metabisulfite, magnesium chloride, industrial salt, sodium sulfite, poly aluminum chloride, snow melting agent and other bulk chemical products.
After nine years of development, the company has sustained and stable development in the domestic market and received a large number of customers. At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain, the company exerts its own advantages, strives for excellence, wins the market and customers. Your satisfaction is our driving force. Quality is the soul of enterprise and that is what we have always done.
Shouguang JIUCHONG Chemical always adhere to the principle of "integrity management, mutual benefit, and common development", and meet the different needs of customers with high-quality products, reasonable prices and good services.We now have a professional international trade team. And We want to continue our efforts to expand into the international market. We believe we can establish good cooperative relations with Japan, South Korea, Bangladesh, Southeast Asia, Africa, America, Australia and other countries and regions. We sincerely hope to establish a long-term cooperative relationship with you.
Customer Visiting
FAQ
Q: How long is your delivery time?
A: It usually takes 7-10 days if the goods are in stock, or 10-15 days if the goods are not, depending on the quantity ordered.
Q: Can you support OEM ?
A: Yes, we can make products as your request.
Q: Do you provide samples?
A: Yes, we could offer the sample for free by requests but are not responsible for the freight cost.
Q: What payment terms do you accept?
A: We accept T/T, L/C at sight;