Asphalt tank semi trailers are specialized vehicles designed for transporting hot asphalt and bitumen. These trailers are equipped with high-quality insulation systems and heating elements to ensure that the asphalt remains at the required temperature throughout transportation. Asphalt tank trailers are commonly used in the construction and roadwork industries, where they are essential for the delivery of asphalt to construction sites. The trailers are constructed using high-temperature-resistant materials such as steel, with advanced insulation to prevent heat loss. 

The asphalt tank semi trailers often feature heating systems powered by diesel or electric heaters to maintain the temperature of the asphalt. These trailers can also be customized with various safety features such as pressure relief valves and temperature sensors to ensure the safe transport of hot materials.