Anyone have experience buffing out scratches on an acrylic dome? The kit I bought used came with some buffing pastes but am curious if anyone has seen good results with this.

Thanks!

That is okay for very light scratches or finishing but you really need Micromesh sandpaper.

https://www.amazon.com/dp/B0H5B49QWX

I have used the Novus fine product (#2 red) a number of times on my Fantasea WWL. It works OK for fine scratches and buff marks. I have tried the heavy product (#3 green) once on a deeper scratch and it took a good bit of time with the fine product to get back to a polished condition.

On 10/20/2026 at 7:22 PM, Dave_Hicks said:

That is okay for very light scratches or finishing but you really need Micromesh sandpaper.

https://www.amazon.com/dp/B0H5B49QWX

What are you using to hold this to allow it to follow the curved surface? What pattern of movement?

2 hours ago, Grantmac said:

What are you using to hold this to allow it to follow the curved surface? What pattern of movement?

I use about 1/3 of a sponge. Straight lines are recommended.

1 hour ago, Dave_Hicks said:

I use about 1/3 of a sponge. Straight lines are recommended.

The standard recommendation for glass polishing is straight lines, however you rotate the dome regularly, this is how it is done for polishing astronomical optics like telescope mirrors. You don't want to concentrate all the effort just around the scratch as it can impact the dome shape if you go too much in one area.