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Butane Temps Under Vacuum

Discussion in 'Concentrates & Processing' started by EArts, Jun 24, 2018.

  1. EArts

    EArts

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    Does anyone have a chart for butane temperature under vacuum? I’m curious as to the temperatures it’s reaching during one extraction method I use but can’t find a chart anywhere. The temperature gun reads below -40c, but I’m curious as to exact temps.
     
  2. EArts

    EArts

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    These are temps without dry ice. Nothing but butane at vacuum creating huge ice sheets over closed loop columns.
     
  3. I don't know if this is what you're looking for, but these are the only charts I have regarding butane, temps, and pressure...
     
    ButaneBoilingPoint.jpg
    butane-propane mix pressure at temperature.jpg
    MirrorZen likes this.

  4. I found this chart which seems to indicate that as you approach zero atmospheres the min. temp of butane drops until you get to zero atmospheres and -50f. It also seems that once you drop below zero atmospheres, the temp stops dropping. Just as it appears that after you cross +100f the max pressure for butane is 60psi or 4 atmospheres.

    It will be nice if we could get professional opinion from a community member.

    upload_2018-7-9_19-51-53.png