Road American
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Key steps are preparing the soap solution with controlled water quality, heating, emulsifier dosing, and pH adjustment, then feeding hot bitumen and soap to a colloid mill to generate the target droplet size. After milling, the emulsion is cooled into storage with controlled agitation. Continuous monitoring of pH, viscosity, residue, and stability prevents off spec batches. Clean changeover procedures and storage management are critical to avoid cross contamination and separation.
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