I’m coming from building drones and this is the stuff I use for the electronics. I use MG Chemicals 422B or 422C Silicone Conformal Coating.
This works great for drones but never tried on motors. It has temp to 200C … the acrylic version does not and does not work that great.
Here is the video showing it on a drone not my video but awesome testing by this guy.
https://www.amazon.de/gp/aw/d/B089XXS72K/ref=sspa_mw_detail_2?ie=UTF8&psc=1
https://www.amazon.com/dp/B008O9YGQI/ref=cm_sw_r_cp_awdb_imm_t1_GbN5FbRESTV7C
Has anyone used this on motors? FYI this will water proof your controller.
Please beware of the cure time and temp no one ever reads it and tries to use it within minutes then product does preform to what they wanted.