Earlier quoted context omitted.
Many metals are contact-antimicrobial See https://en.wikipedia.org/wiki/Antimicrobial_properties_of_co... -: Copper and its alloys (brasses, bronzes, cupronickel, copper-nickel-zinc, and others) are natural antimicrobial materials. And https://en.wikipedia.org/wiki/Oligodynamic_effect -: The oligodynamic effect (from Greek oligos "few", and dynamis "force") is a biocidal effect of metals, especially heavy metals, tha…
I believe copper will kill off this one in about 4-5 hours, compared to the 10+ hours of other materials. Not super useful as a hand sanitizer, but nice to know a copper door handle has a nice longer term self cleaning over shorter time frames.
It keep itself fairly clean!