Is oxygen allowed in the oxygen pipe?
Graphite is a stable substance, and oxygen pipes permit graphite
To tell the truth, the graphite powder also belongs to small particles, if the medical oxygen pipe can not have graphite, if industrial oxygen, can have the physical and chemical properties of graphite, graphite and other stable, will not react, to a certain extent is a kind of preservatives, prevent oxidation function.
The so-called oxygen pipeline, which depends on the medical or edible, or industrial oxygen pipeline. If it is industrial, a little graphite is possible, but the proportion can not be too large
