Dangerous goods are generally raw materials, intermediates and products of chemical industry. The method of transportation is mainly based on the physical and chemical properties of related products. The products are divided into three states: solid, liquid and gas, solid and solid are usually transported only by rail cars, gas is stored only in pressure cylinders or pressure tanks, and liquid products are transported flexibly. Because of its great relationship with temperature, the transportation of liquid products is as follows. Choice: General barreled rear rail truck with high viscosity or heat preservation tank truck with heating; Chemicals with similar viscosity to water, low steam pressure and no corrosion are transported by ordinary atmospheric tank truck; Corroded products can be transported by stainless steel tank truck.
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