Liam,
What's your verdict on the UV resin coated PTN?
When the UV resin hit the market and then subsequent improved versions, I experimented with putting it on a wide range of flies, including PTN. Haven't found any convincing results for it on traditional flies such as PTN so I don't use it anymore on those. I still do use it for Perdigon styles and a couple of others.
Cheers,
Bryan
Portland, Oregon