Thanks, Fred, I suspect that someone might have used an abrasive in the past.  Can any chemicals degrade the surface of ceramic? President Mobile: 309.251.3192 Email: joyce@thepersonaltouchsolution.com Web: www.thepersonaltouchsolution.com       -------- Original Message -------- Subject: Re: Strong Alkaline Butyl cleaners From: Fred Hueston <fhueston@gmail.com> Date: Wed, July 12, 2017 7:19 am To: "sccpartners@stoneandtilepros.simplelists.com" <sccpartners@stoneandtilepros.simplelists.com> It is possible you have wear.  I would examine it closely with a field microscope..I show how to use these microscopes in my inspection and troubleshooting class. They are inexpensive and can tell you if the tile is worn and scratched. On Wed, Jul 12, 2017 at 10:16 AM, <joyce@thepersonaltouchsolution.com> wrote: Hi guys, Thank you for your input for yesterday's granite sinks.  We did the job and the customer was very happy with the repair.  I will post pics on that thread as soon as I get them. Today I have another question.  We inherited a high traffic ceramic floor where the customer has been using a very strong, ph13, butyl based degreaser straight to get the floor clean.  Although it gets it clean with agitation of a blue scrubbing pad, it doesn't stay clean long.  I suspect damage to the surface.  It should not require that chemical to be used straight and have aggressive agitation so often.  Is it possible that micro scratches have created a scratch pattern that is rapidly trapping soils.  This is in a movie theatre so the traffic is high but light duty.  What do you guys think? President Mobile: 309.251.3192 Email: joyce@thepersonaltouchsolution.com Web: www.thepersonaltouchsolution.com   Visit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com -- Frederick M. Hueston www.stoneforensics.com office             321 514 6845       Stone Inspection and Troubleshooting seminar Jan 29-Feb 1, 2018 Las Vegas For more details see the training section at www.stoneforensics.com check out the Stone and Tile Radio Show at http://www.blogtalkradio.com/drfred Visit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com

 
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