Looks like crystal damage which means it is very deep. Sanding it out would make a channel. I would do some tests. They might have to change the tiles.
On 15 Nov 2016, at 9:11 am, stuart rosen <mail@stoneshine.com> wrote:Chris,We use diamond or silicone carbide brushes on a Frankfurt Driver.Seems to work well if you have a stronger machine for deeper scrtaches-On Mon, Nov 14, 2016 at 11:16 AM, <csantospago@gmail.com> wrote:Sorry I forgot to attach a picture in the previous email.
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201-446-1200"EVERYTHING MATTERS"Visit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com<2016_11ANTIQUEINGBRUSHES.jpg>