Nonconducting Liquids: Vegetable Oil & Mineral Oil

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Discussion Overview

The discussion revolves around identifying nonconducting liquids suitable for submerging electronic devices, with a focus on vegetable oil and mineral oil. Participants explore various options, their properties, and considerations regarding corrosion and cooling effects.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • Some participants mention that vegetable oil and mineral oil are nonconductive liquids.
  • Others suggest additional organic liquids such as n-hexane and heptane as non-conductive options.
  • One participant expresses the need for a liquid that does not corrode metal, as they plan to submerge a computer in it.
  • Transformer oils and motorcycle oil are proposed as potential alternatives for the intended application.
  • Liquid nitrogen is mentioned as a cooling option, but concerns are raised about its temperature being too low for safe submersion of devices.
  • There is a discussion about the cost of liquid nitrogen and its suitability for cooling versus submersion.
  • Participants question the practicality of using liquid nitrogen for submerging devices, with some suggesting it could be used with proper equipment.

Areas of Agreement / Disagreement

Participants express varying opinions on the suitability of liquid nitrogen for submersion, with some agreeing it is too cold while others suggest it could work under certain conditions. There is no consensus on the best nonconductive liquid for the intended application.

Contextual Notes

Participants do not fully explore the implications of using different liquids, such as potential effects on cooling efficiency or long-term reliability of submerged devices. The discussion lacks detailed specifications on the properties of suggested liquids.

Who May Find This Useful

Individuals interested in cooling solutions for electronics, particularly those exploring nonconductive liquids for submersion applications.

ValiumMm
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Hi, i am doing a project where i need to get non conducting liquids,

So far i understand Vegetable oil, mineral oil are non conductive,

What other liquids are non conductive ?

Thanks very much
 
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You can find a lot of organic liquids such as n-hexane, heptane...alcanes, olefins, .., which are non-conductive.
 
Where could i get these from, Also they can't corrode metal either, because i am submerging my computer in a liquid, that i want to be really fine and non conductive and not corrode metal, so i can filter it easy to keep cool and not be conductive. thanks for the help
 
So you can try some kinds of transformer oils for the best. If not, I think motocycle oil can do the job.
 
Kk, thanks ill look them up and see how much and located etc, thanks again
 
Nitrogen? :wink:
 
cesiumfrog said:
Nitrogen? :wink:

Liquid nitrogen is just too cold to submerge a device in unharmed. Anyway, for the cooling effect, it's great.
 
ye, for cooling its great, but I am pretty sure its heapsy Costy $$$
 
pixel01 said:
Liquid nitrogen is just too cold to submerge a device in unharmed.
Shall I take your word for it?
 
  • #10
cesiumfrog said:
Shall I take your word for it?

I should think liquid nitrogen is ok as a coolant if you have certain pipes or the like to lead it in, not for the case you'd want to submerge the whole PC into it as Cesium mentioned above.
Anyway, thank you for the link.
 
Last edited:

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