china factory Sodium Metabisulfite industrial grade
Supply Ability
Supply Ability: 5000 Metric Ton/Metric Tons per Quarter
Packaging & Delivery
Packaging Details：25kg/bag
Port FOB Qingdao
Lead Time within 4 weeks
Product Description
| ltem | Chinese standard GB1893-2008 | Company standard |
| Main content(Na2S2O5) | ≥96.5 | ≥97.5 |
| Fe(As content Fe) | ≤0.003 | ≤0.0015 |
| Clarity | Pass test | Clear |
| Heavy metal content (Pb) | ≤0.0005 | ≤0.0002 |
| Arsenic content (As) | ≤0.0001 | ≤0.0001 |
| PH(5% water soluble) | 4.72 | |
| Package and Trade mark | By woven plastic bag out , and white plastic bag inner | |
| Result | qualified |
Molecular Formula:Na2S2O5
Molecular Weight:190.10
Appearance: white crystal powder.
Packing: polypropylene weaving bag, paper plastic complex bag and kraft lined with polyethylene plastic bag.
Net weight: 25, 50, 1000 kilograms per bag or according to demands from customers
Packaging & Shipping
Packing: polypropylene weaving bag, paper plastic complex bag and kraft lined with polyethylene plastic bag.
Net weight: 25, 50, 1000 kilograms per bag or according to demands from customers.
Company Information
Weifang Binhai Group Work Win Supply Chain Co., Ltd is a leading manufacturer and provider of total integrated supply chain solutions. We offer the best chemical products for the orders.
We have a multilingual team, and many big branch factories. A regional market presence-including southeast Asia, Indonesia, Russia, Spain, Chile, Brasil, Australia etc.
Group Work Win strives to build a long term relationships by providing our customers with continuous and reactive support. We aim to supply better quality products and after-sales service.
F A Q
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 
