It is used as preservative, bleaching agent, and swelling agent in food processing.It is white or yellow crystalline powder or small crystal, with a strong smell of sulfuric acid, soluble in water.The aqueous solution is acidic. When it contacts with strong acid, it releases sulfuric acid and generates the corresponding salts. Keeping in air, it oxidizes to Na2S2O6, so the product cannot be stored for a long time. It is higher than 150 degrees Celsius, that is to decompose sulfuric acid.

Q: May I take some samples to test before placing the order ?

A: Yes, but customers need to pay for the sample fees and express fees, and it will be returned when next order is confirmed.

Q: How long can you offer the samples?

A: 1~7 days after the deposit payment is confirmed.

Q: What's your payment terms for sample?

A: You can pay via T/T , L/C and so on.

Q: What’s the price terms can you offer for us?

A: We can accept EXW, FOB, CIF and so on.

Q: Where is your main market for your products?

A: Most of our SuiXin brand products are exported to North America, Europe.