ISO 14951-2:1999 PDF

This part of ISO 14951 specifies limits for the composition of hydrogen propellant and test methods for verification of propellant composition. This part of ISO 14951 is applicable to hydrogen propellant of the following types and grades, intended for use as a fuel in space systems:

• type I: gaseous
  • grade A: fuel, 99,994 % pure;
  • grade F: fuel, 99,995 % pure;
• type II: liquid
  • grade A: fuel, 99,994 % pure;
  • grade F: fuel, 99,995 % pure.

This part of ISO 14951 is applicable to propellant used in both flight hardware and ground facilities, systems, and equipment. It is applicable to influents only to the extent specified herein.