Gaining customer satisfaction is our company’s aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for Leading Manufacturer for Dfn-500 Accurate Precise 99.99% Nitrogen Generator, With a wide range, top quality, acceptable charges and great assistance, we are going to be your finest business partner. We welcome new and previous prospects from all walks of lifetime to get in touch with us for upcoming small business interactions and accomplishing mutual achievement!
Gaining customer satisfaction is our company’s aim forever. We will make great efforts to develop new and top-quality products, meet your special requirements and provide you with pre-sale, on-sale and after-sale services for Dfn-500 Accurate Precise 99.99% Nitrogen Generator, Nitrogen Generator, Nitrogen Producer, We have a dedicated and aggressive sales team, and many branches, catering to our main customers. We are looking for long-term business partnerships, and ensure our suppliers that they will definitely benefit in both short and long run.
99.9% Industrial Sulfur dioxide SO2 gas
Model |
Sulfur dioxide |
Molecular Formula |
SO2 |
Filling rate |
1.25 |
UN No. |
UN1079 |
CAS No. |
7446-09-5 |
EINECS No. |
231-195-2 |
Hazardous class for transport |
2.3 |
Transportation Label |
Nonflammable Gas |
Product Description
Sulfur dioxide gas (SO2) is a toxic gas with a pungent, irritating smell that is released by volcanoes and in various industrial processes.
Nitrogen gas purity we provide:
Item | Standard(GB/T3637-93) |
SO2 (%) | ≥99.9 |
Impurity (%) | Limit |
Residue | ≤0.04 |
H2O | ≤0.06 |
As | ≤0.000004 |
Manufacture and usage:
Liquid sulphur dioxide (SO2) is a versatile chemical with many uses, both in liquid form or as a source of gaseous SO2. Liquid SO2 is used the pulp and paper industry, mining industry, and in the food industry as a preservative. It can function as a reducing agent, an oxidizing agent, a pH controller, purifying agent, preservative, a germicide and bleaching agent. SO2 can also be used as a refrigerant, heat transfer fluid and selective solvent.
Why can we guarantee the quality of our products:
l The cylinder passed the inspection of the state department.
l The filling weight is sufficient.We have filling report for every cylinder.This report will be sent to the customer together with the gas test report.
l We have precision testing equipment,and promised every cylinder and gas will be test before the delivery.
Gas Cylinder
Customized service:
Custom cylinder volume
Custom cylinder colour
Custom cylinder valve
We can supply 400L 800L cylinders
Water capacity (L) |
Working pressure (bar) |
Testing pressure (bar) |
Max filling quantity (Kg) |
Wall thickness (mm) |
OD (mm) |
Length (mm) |
Weight (Kg) |
Material |
Valve |
Standard |
800L |
20 |
30 |
980 |
10 |
800 |
2000 |
445 |
HP345 |
QF-10 |
GB5100- 2011 |
400L |
20 |
30 |
490 |
8 |
600 |
1780 |
258 |
HP345 |
QF-10 |
GB5100- 2011
|