Solution to high-speed printing foam out of control

In high-speed gravure printing (＞150m/min), micro-foam causes white spots and barcode breaks, increasing scrap rate by 15%. Chemi Tech’s defoamer (KM-720) delivers：

Zeta potential control: Adjusts charge (-15mV to +25mV) to resist hard water ions (Ca²⁺＞200ppm)；

Rapid migration mechanism: molecular weight<3000Da, spread to the ink bath foam interface within 3 seconds, and eliminate the fine foam caused by machinery;

Long-term suppression: Polyether blocks inhibit surfactant-induced foam.

Case study:

An Indonesian flexible packaging plant eliminated printing speckles (>50 spots/m²) with 0.2% KM-720：

Misregistration accuracy improved to ±0.1mm；

Ink pan foam height reduced from 25cm to 3cm；

Annual waste cost saved: RMB 1.2 million.

Dosed via metering pump into circulation lines, effective at 5-50°C.