Wholesale 400L 800L Sulfur Dioxide Gas Cylinder Industry Grade 99.9% Liquid SO2 Gas

Wholesale 400L 800L Sulfur Dioxide Gas Cylinder Industry Grade 99.9% Liquid SO2 Gas
Product Description
SO2 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:The cylinder passed the inspection of the state department.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.We have precision testing equipment,and promised every cylinder and gas will be test before the delivery.
Gas Cylinder
Customized service:Custom cylinder volumeCustom cylinder colourCustom cylinder valve
We can supply 400L 800L cylinders
Hot sale products
We also have other high-quality popular products.Please kindly check.

FAQ
1: Are you trading company or manufacturer ?
We are factory and export cylinders for ourselves. It is a company integrating industry and trade.2: How long is your delivery time?what is the items of payment?
With in 30 days after 30% TTdeposite,balance before before delivery.3: Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but do not pay the cost of freight.
Why choose us?
· More than 17 years experience in gas industry
· More than 10 years experience of international trade
· Strict quality control system
· Strong supply ability
· Quick delivery and good service
· Excellent after-sales service.
Contact us
Contacts: Andy
TEL: 0086-18661892082
E-Mail: andy6339<@>gastec-service.com
WhatsApp:0086-18661892082
ADD: No 38, Suzhou Road,Jiaozhou, Qingdao, Shandong, China