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Thank you. The swirls are a plastic-like transparent mass that lay on top of the concrete. Sanding swirls would be grooves in the concrete?

Hello everyone, I'm reaching out for some expert advice regarding a unique issue with our new home's polished concrete floor. The floor has distinct black color, but there are visible swirls on the surface that are about 1 mm thick. I'm not sure what they are - possibly from a densifier or a...