Thanks to their sub-micron dimensions, nanobubbles penetrate deeply into microscopic cracks, blind holes, and ultra-fine threads where water molecules alone cannot easily flow. They rapidly pack into the microscopic interface layer between the grease film and the component's metal substrate

As the tightly packed nanobubbles collapse at the interface, the resulting microjets and shear forces create micro-fissures in the adhered oil film. The mechanical pressure forces the grease to curl, shrink, and lift cleanly off the substrate—a phenomenon known as the "rolling-up" effect.

Once detached, the oil droplets are continuously bombarded by surrounding nanobubbles. The bubbles wrap around the liberated oil, shearing it into sub-micron droplets and forming a stable emulsion. This encapsulation prevents the grease from re-depositing onto the freshly cleaned parts.