High quality food grade sodium pyrosulfite
Sodium metabisulfite or sodium pyrosulfite is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant, and preservative agent.
Name | Industry Grade sodium pyrosulfite Na2S2O5 |
Inspection Items | Industrial Grade |
Na2S2O5 ≥ % | 96.5%min |
Heavy metal (Pb) ≤ % | ≤0.002% |
(As)% | ≤0.0001% |
Iron (Fe) ≤ % | ≤0.005% |
Water insoluble ≤ % | 0.05%max |
Our company produces many chemical products, such as PAC, PAM, aluminum sulfate, Sodium pyrosulfite and so on.We also focus on product development.With tianjin university and other well-known domestic scientific research institutions to establish long-term technical cooperation relations, to ensure the quality of products industry leading position
1. How do you control the quality?
We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2. Do you supply sample?
Yes, we can supply some samples for your test.
3. Do you accept sample order?
Welcome sample order for a trial start,10kg, 20kg, 50kg as you need.
4.Do you supply product report?
Yes. We'll give you product analysis report before shipping.
5. Can we visit your factory?
Yes. Welcome to visit.
Product quality protection 
