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How Emulsified Asphalt is Made |
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Asphalt emulsion is made from asphalt oil and emulsifier. An emulsion is a system consisting of asphalt oil with an emulsifier in water (which cannot mix with asphalt oil) in droplets larger than can usually stay in suspension. The asphalt emulsion is manufactured with hot asphalt oil (210° F) that is run through a colloid mill with the soap or emulsifier solution. The colloid mill grinds the asphalt oil into particles small enough to be held in suspension by the emulsifier. The product is then stored in large tanks and shipped to customers. It usually must be delivered at temperatures between 120° F and 150° F. CPM's Slurry Seal Brochure Adobe Acrobat 220.6k |
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