APPEARANCE	Colorless transparent liquid
((NH4) 2S2O3 ) Content ,w/w%	58-60
(N) w/w%	≥10
lgnition residue%	≤ 0.1
Ammonium sulfite%	≤1.0
sulfide (S) %	≤ 0.0002
Density (20℃)	1.290-1.346
PH Value ( 25°C )	8-9
Fe %	≤ 0.001

1. Used as a photo fixing agent, metal cleaning agent, electroplating solution, and reducing agent. 2. Downstream products: printing coating, color washing coating (aqueous solution), color washing coating (No.1 aqueous solution), and color washing coating (No.2 aqueous solution). 3. Use in Water Soluble Fertilizer.2000 Metric Ton per Month1. What are your prices? Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contact us for further information. 2. Do you have a minimum order quantity? Yes, we require all international orders to have an ongoing minimum order quantity. If you are looking to resell but in much smaller quantities, we recommend you check out with our sales. 3. Can you supply the relevant documentation? Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin;CCPIT;Embassy certification; Reach Certificate; Free Sales Certificate and other export documents where required. 4. What is the average lead time? For samples, the lead time is about 7 days. For mass production, the lead time is 20-30 days after receiving the deposit payment. The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate your needs. In most cases we are able to do so. 5. What kinds of payment methods do you accept? We can accept T/T, LC at sight, LC long terms, DP and other international payment terms.