Graphene Contact Enhancer

Don't have an opinion about audio applications (yet), but in my previous working life my specialty was thermal ionization mass spectrometry.  I used a graphene product (not this brand) but designed for audio applications on all of my instruments electrical connectors.  We were measuring currents down into the 1x10-10 amp range.  It's main benefit was removing vibration induced noise from the connectors mating surfaces...even with mil-spec connectors.  This stuff would even quiet down banana plugs.  I have used it sporadically on my audio connectors, but can't confirm any sonic improvements. 

Don't have an opinion about audio applications (yet), but in my previous working life my specialty was thermal ionization mass spectrometry.  I used a graphene product (not this brand) but designed for audio applications on all of my instruments electrical connectors.  We were measuring currents down into the 1x10-10 amp range.  It's main benefit was removing vibration induced noise from the connectors mating surfaces...even with mil-spec connectors.  This stuff would even quiet down banana plugs.  I have used it sporadically on my audio connectors, but can't confirm any sonic improvements. 

Got home from work and half way expected placebo to have evaporated. Nope, still amazingly better. In fact, seemingly even better than my first impression. Could just disconnecting and reconnecting do this? Maybe, in part. But its intriguing me as to the perceived improvement. The weird thing is that the instruments sound more like an instrument rather than just a non descriptive "sound". Some "sounds" actually turn out to be synthesized vocals. Never noticed that before. Some percussion appears now as a disconnected complementary item. Sorry hard to explain exactly. 

Is graphene is a better contact enhancer than silver?
 

Personally, I have been using Stabilant 22. It is used in aerospace applications so that gave me some confidence to try it out. According to Google AI search, Stabilant 22 is a highly effective, non-conductive, amorphous-semiconductive block polymer used as a contact enhancer to increase the reliability of electrical connectors. It acts under an electric field to enhance conductivity without causing shorts between adjacent contacts

It improves performance in switches, card-edge connectors, and connectors, often providing the reliability of a soldered joint.

it is not silver, which i always understood is the best conductor.

I also use Stabilant 22, and have for about 30 yrs. I met the inventor Dayton Wright, who also designed and manufactured great speakers in the day. He's pasted away not too long ago,  but his son has taken over the business. They are based in Richmond Hill near Toronto

Stabilant 22 is a semi conducting plastic that under an electric field becomes conducting. The field strength has to be pretty high for it to become conductive, so its really only effective on very small contact points like most common audio connections. In the studio where you have hundreds of contact points (patch bays/ mixing boards etc) it really is noticeable.   it can be used in potentiometers and faders with great results. it also greatly helps in the digital world as well, where in the case of digital audio, there will be less loss of bits resulting in less use of the error correcting algorithm which degrades the signal. Its proven, many scientific papers have been written about it. It is by far the most cost effective advancement you can use on your audio setup. 

Conductive graphene, called functionalized graphene's do conduct much better than copper or silver but have several  issues, one if made into a fiber (nano tubes)  - the fiber's outer surface walls are very insulative (one of the highest dielectric known) whereas the conductive part are on the ends which considering how tiny the cross section is (.5-50nm in diameter), makes it far less capable than copper. this is still an issue that hasn't been resolved. NASA looked into replacing copper with carbon nanotubes in the space shuttle for a savings of over 4 tons, but it never materialized, because of this issue. And considering how long the shuttle has been out of service, and we still don't have graphene nano tubes at any length more that a few microns long, it will be awhile before that comes about. 

It is being used to make plastic conductive, but its still very expensive at the moment in comparison to graphite. I nice thing about these nanotubes are that they conduct extremely high frequency signals with no skin effect whatsoever. some interesting quantum effects being played out.