TechNotes

Rinse aids work by placing rinse aid residue on the surface of glasses and smallware being cleaned. The residue in the rinse aids left on surfaces are hydrophobic molecules, which stick to the surface to repel water. Less water on the surface, means less water that needs dried, and that leaves less water available to make streaks and water spots.  But there’s a problem…

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There are basically three kinds of rinse aids: Hydrophobic rinse aids that leave behind a residue, surfactants that wet surfaces and allow rinse water to sheet off a surface without leaving behind droplets, and acid rinses that dissolve insoluble alkaline salt residues.

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