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Why are copper stills popular? Is there a reason you don't see many stills made from stainless steel? Are there any other common materials that stills are made out of?


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Kinnek Knowledge Team

From what I know, copper is the still the most common (pun intended) material used for distillation stills because it has several beneficial properties.  Firstly, copper has excellent heat transfer properties (it actually has a much higher thermal conductivity compared with stainless steel).  Secondly, copper has properties that naturally reduce occurences of sulphurous compounds and yeast cells that will be produced during fermentation.  These substances tend to be smelly and ruin the final product, and copper helps protect against this.  Copper is also said to stop production of ethyl carbamate (a.k.a. urethane) during fermentation, which is a toxic substance.  

I have also seen many stills being made of a stainless steel exterior and copper interior.  I also know that some distillation pots are made of glass, but I'm not too familiar.  Sorry about that.

Oct 10, 2013

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Mike from Mike [137]

Because when the yeast cooks it turns into sulfate which turns into copper sulfate and the copper catches that so if dont go into ur spirits and later can be washed awah

Sep 5, 2016

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Terry The Revenoor Company INC from The Revenoor Company INC

Copper heats easier than stainless steel and also gives most products a better flavor than stainless steel.

Mar 30, 2014

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