What applications require K140 cationic bitumen emulsion and how is it manufactured?

K140 is generally used where a higher viscosity, higher residue emulsion is needed for bonding or coating applications such as tack coat, some surface dressing conditions, or specialized cold mixes depending on local classification. Manufacturing requires a stable cationic soap solution with controlled pH, heated binder at target viscosity, and a colloid mill set to achieve the specified droplet size and stability. The emulsion is tuned to break appropriately on aggregate, so emulsifier type and dose are matched to local mineralogy and field conditions.