The coatings you apply:
will prabably cost way more than the plastic you are trying to protect.
If you do this I have heard that you should only use agricultural ceramic coatings...Whatever that is.
I have painted a DJI Drone I used Tamiya Lexan...
Welcome to the forum @BenThe! :)
After flying many DJI consumer drones since 2016 (I own most all of them), here's what I recommend you do (at the minimum) to get started with your DJI drone:
Before attempting to fly, watch some videos on...