I have used plasti-dip many times, on small emblems and entire vehicles.
DipYourCar - World Famous Peelable Auto Paint – DipYourCar.com
I clean the cars with a self-wash pressure washer and don't think twice about it. no issues at all.
the dip has been able to hold up for years (my charger was dipped for 2yrs, and my WRX for 5yrs) with no signs of fading, tearing, bubbling, or anything. this includes just emblems...
just go with many light coats and you will be fine.
here is the WRX. it was a beautiful chameleon fade of purple, green and pink.
and the charger, Anthracite Metallic.
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https://i.imgur.com/WQdryKXm.jpg
The Sequel - 1996 4Runner SR5 - Houston, TX
The Original - 2001 4runner SR5 - SOLD
Etsy Page - Custom Pinstriping and Sign Making
@8LinePinstripe: Instagram