Hot asphalt
Hot asphalt has to have a processing temperature of at least 60 °C. Since the asphaltic mixture should not cool down on the way from the asphalt plant to the destination, a correspondingly complex transport chain with special-purpose vehicles is required. The use of the special-purpose vehicles have the effect that hot asphalt is often economically not viable and not feasible for small repairs.
Low-temperature asphalt
The crucial difference compared to conventional hot asphalt is the processing and laying temperature. In figures, this is a temperature reduction of 20 – 40 °C. The accompanying effect in production and application include the improved energy balance and the reduced emissions during production as well as the lower workplace exposure during laying of the asphalt.
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Cold asphalt
Cold mixtures are produced with unheated aggregates and bitumen emulsion or foam bitumen (EAPA). In contrast to hot asphalt, the cold asphaltic mixture can also be stored. Packaged in airtight containers, cold asphalt remains ready for processing even after months of storage. Cold asphalt only starts to harden once it has connection to the surrounding air. All these properties make cold asphalt the ideal material for smaller asphalt repairs.
