Comment Comment by FlyMoreRockets As noted, the lower explosive limit for hydrogen in air is 4%. Significantly lower with pure oxygen. https://www.safeopedia.com/definition/2205/explosive-flammab...The problem is that hydrogen is a very small molecule and readily escapes containment. It can even travel along grain boundaries through solid metal. parent FlyMoreRockets 5 years ago
The problem is that hydrogen is a very small molecule and readily escapes containment. It can even travel along grain boundaries through solid metal.