Road American
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Cationic emulsions depend on a positively charged emulsifier. pH controls emulsifier protonation and therefore droplet charge strength. If pH drifts upward, charge weakens and droplets coalesce, causing premature breaking in tanks, pumps, or hoses. If pH is too low, corrosion risk increases and field compatibility can change. pH also affects breaking on aggregate surfaces, influencing adhesion, set time, and cure. Industrial plants manage this with controlled acid dosing, calibrated sensors, defined pH limits in the SOP, and batch release checks tied to stability and particle charge tests.
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