These ranges of products are mainly used in laboratories and their qualities are extremely important. Following are some examples of these gases:
Argon, Nitrogen, Oxygen, Carbon Dioxide, Carbon Monoxide, Helium, Methane, Propane, Butane, Hydrogen Sulfate, Sulfur Dioxide, Acetylene, Dried Air, etc. The purity of these gases varies from 99% to 99.9999% depending on the gas type. Some of these products are providable inside the country. Providable products in Iran consist of: Argon(with the maximum purity of 99.999%), Nitrogen(with the maximum purity of 99.999%), Hydrogen(maximum 99.999%) and Oxygen(with the maximum purity of 99.995%). The rest of these products are imported. The staple parts of the products is always available in Dayan Gas Company’storage and the company has the potential to provide the rest of the products from the most valid international brands.