hybrid PTFE/cork insulator

In my attempts to come up with a hot end design that does not require an insulator, I came up with another way to make one that is cheaper, easier, and possibly more effective. This one is similar to my PFTE/wood insulator, but the wood in this case is an ordinary wine cork. The shape is almost perfect for an insulator, and the light, airy structure of cork wood should make it a more effective insulator.

This requires an ordinary WOODEN cork from a wine bottle. I don't know what kind of plast