is a liquid asphalt with combination of three main ingredients of asphalt, water, and emulsifier.
These components are introduced into a mechanism known as a colloid mill, which shears the asphalt into tiny droplets.
The emulsifier, which is a surface-active agent, keeps the asphalt droplets in a stable suspension and controls the breaking time. The water in asphalt emulsion will evaporate and let the asphalt continuously form up as a thin film covering the aggregate or road surface.
Key properties of the asphalt in asphalt emulsion are cohesion and waterproofing which can be used in cold processes for road construction and maintenance by applying on the road surface with or without mixing with the aggregate.
Its properties are in accordance with the following standards: