Which one has more reflux? Stainless steel or copper?

[spiritdistiller123]

Hi there,

I have some questions.
I am a little confused between copper and stainless steel(SS).
I know that copper transfers heat better that SS.
So, I want to know in a reflux column distiller which metal plays a better role in the reflux issue?
which type of helmet do better reflux, copper helmet or SS helmet?
and also packing!!
I want to use SPP packing for my column. I want to know which metal to use to get higher proof of alcohol.
which type of SPP packing does better reflux, copper SPP or SS SPP?

In my point of view, copper plays a better role here and higher proofs could be achieved with copper with respect to SS. because it conduct the heat just like heat sinks and we have more reflux inside the column or helmet or packing. but I'm not sure!

thank you for your kind help