Most conversations about choosing an antifoam start and end with chemistry: silicone or non-silicone, oil-based or water-based. Buyers rarely get to a second question that matters just as much for cost and performance: should this be an emulsion or a 100% active product? At PMC Ouvrie, we find this is the choice that gets skipped,

A procurement team narrows its search to “industrial antifoam” instead of “defoamer,” reasoning that prevention sounds like the smarter buy. It’s a reasonable instinct. The word suggests something more proactive, and proactive sounds like it should perform better. Three suppliers respond to the request, all confidently labeled “antifoam,” and the products behave nothing alike once