What are the highly permeable media?
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Could those who know it please provide some examples of highly permeable media? Thank you very much!
Highly permeable media mainly refer to hydrogen, helium, ammonia, liquid ammonia, halogen gases, low-molecular-weight alkanes and olefins and other gases (or liquefied gases), as well as light petrochemical products such as gasoline, methanol, and benzene.
The Q&A section of TSG R0004-2009 \"Regulations on Safety Technical Inspections for Fixed Pressure Vessels\" provides explanations
Excuse me, could you tell me what standard this follows, which rule? I can’t find it now……
Small molecules, hydrogen, helium, ammonia, etc