Sealer for engineered stone-most engineered stones are non - porous.However I have seen a few that stained and actually seemed absorbent.maybe a penetrating sealer like something that would penetrate porcelain.--On Sun, Nov 8, 2015 at 9:27 PM, Barry Raduta <barry@diamondstoneandtilecare.com> wrote:BarryThanks,Hi Partners,I have a client that wants to know what topical sealer/ protector would be good to use on man made quartz. His wife is an oil painter and she cleans her brushes in a sink on the quartz counter and wants her clean-up to be easier.Visit list archives, subscribe, unsubscribe or change your subscription preferences: http://stoneandtilepros.simplelists.com/sccpartners Start a new conversation (thread): sccpartners@stoneandtilepros.simplelists.com"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