Remove chrome plating from rear trim?
Here is an alternative. This stuff works great on all materials and is easy to apply. he also has a video of a clear protective coat. i'lll include/.
The closest to chrome you'll get and its for the do it yourself hobbyist. here it is on a Dash
Using this over chrome you will need to etch the part with Acid then scuffing it. Apply a light coat of self etch primer before the black.