Stephen we have that issue before and we did 1600 wet sandpaper after the pads and mb 20 but is little trouble Dont let MB20 to dry I have great results doing it give it a try on a piece of scrap .
Regards.
Felipe Garcia Candia.
Pro tech stone and tile care.

On Tue, Oct 20, 2015, 1:07 PM Stephen Webb <stephen@newlifemarblerestoration.com> wrote:

Anyone ever polish Sile stone "Kensho" ? we were able to get it to about
95% with EX pads, but after 1000grit it started dulling down, couldn't
get it to go higher at all. I do alot of engineered stone and never had
this before. Thank you
Stephen

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