| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide: fuel gas for fusing capable of increasing the amount of filling of fuel gas into a high pressure gas container without deteriorating characteristics as gas for fusing; and the high pressure gas container filled with the fuel gas for fusing.SOLUTION: Fuel gas for fusing contains first ingredient gas composed mainly of methane, and at least one kind of second ingredient gas selected from the group consisting of ethylene and propylene. The concentration of the second ingredient gas is 10-40% by volume, and the rest is the first ingredient gas.</p> |
