On 08/01/2017 06:12 PM, Boris wrote:
I spoke too soon about rubber hoses also getting sticky...after reading
that rubber shouldn't get sticky, I re-examined what I thought was a rubber
hose of mine, and it turns out it was black vinyl, and was getting sticky.

I don't think they're vinyl but I've had the same problem with
motorcycle and bicycle handlebar grips. Once you wear through the skin
they material turns into a sticky mess. Some do, some don't and I've
never figured out the whys and wherefores.