Are you sure that you aren't just dealing with mortar smears on the porcelain? I would do an acid test in a discreet location. If you get no reaction on bare tile but you get a reaction where you see an "etch", then you may be dealing with mortar residue which will come off with an acidic cleaner or mortar smear remover.<sigimg0>PresidentMobile: 309.251.3192-------- Original Message --------
Subject: Re: Etching porcelain
From: Fred Hueston <fhueston@gmail.com>
Date: Sat, September 23, 2017 5:35 am
To: "sccpartners@stoneandtilepros.simplelists.com"
<sccpartners@stoneandtilepros.simplelists.com>
Very very odd for porcelain to etch...It may not be etching..It may be smudging caused by the polishing powder. I would try another powderOn Fri, Sep 22, 2017 at 6:01 PM, Kevin L. Hudson <klhudson@atlantastoneandtilecare.com> wrote:Justin,
That looks and sounds like a calcite based stone. However, I would suggest testing a piece of that stone to get a better understanding of what it is and how it reacts. You could also try MB-12 wet to dry. Just my thoughts!
Kevin L. Hudson
N-Motion Stone and Tile Restoration
klhudson@atlantastoneandtilecare.com
(678) 662-0110
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> On Sep 22, 2017, at 2:42 PM, Justin Cameron <justin@jmcstoneandtilecare.com > wrote:
>
> Hi partners
> Have a builder who installed this porcelain tile. The installers tried cleaning the floor and left etch marks all over. I'm just wanting some suggestions. I tried one tile with some marble polish it took out the etch marks but it doesn't seem to be as shiny as the original it's not bad I'm wondering if going all over the floor would blend it better instead of them having to tear it out. Also the polish l splatter leaves etch marks as well.
> Any suggestions greatly appreciated
> Thank you
> Justin
>
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