I have two identical buttons. They are a polymer (nylon). After testing
with hot needle found black residue, easy penetration using slight
pressure, jagged edges around hole no odor.
I have two identical buttons. I will have them posted with a mixed group
of buttons for auction in a few days. I think that they are a polymer
possibly nylon. After testing with a hot needle I found a black spot ,no
oder and jagged residue around the...
