Cold storage extruded board is an important material used in cold storage construction, which has excellent thermal insulation and weatherability, and plays an important role in cold storage construction. This paper will introduce the relevant knowledge of cold storage extruded board, including its characteristics, application, production process and development trend.

Cold storage extruded board, also known as extruded insulation board, polystyrene foam board, is a kind of polystyrene as the main raw material, through the process of foaming, extrusion and curing made of board. The plate has the advantages of light weight, heat preservation, heat insulation, sound absorption, moisture resistance, aging resistance and corrosion resistance, and is widely used in cold storage, refrigerated trucks, food processing workshops, industrial buildings and other fields.

First of all, the cold storage extruded board has excellent thermal insulation performance. The thermal conductivity of the sheet is very low, which can effectively isolate the indoor and outdoor heat transfer and provide good thermal insulation effect. At the same time, its foam structure can store a large amount of air, forming thermal resistance, and further enhance its thermal insulation performance. In the construction of cold storage, cold storage extrusion board can effectively reduce energy loss and improve energy utilization efficiency.

Secondly, the cold storage extruded board has excellent weather resistance. Because the cold storage is usually in a low temperature environment, the environmental conditions are harsh, so the cold storage extrusion board needs to have good cold resistance and weather resistance. The plate uses special additives, which can effectively resist the erosion of low temperature environment and ultraviolet light, and maintain a long service life.

Cold storage extruded board also has good compressive and seismic performance. The foam structure of the plate makes it have certain flexibility and elasticity, which can effectively absorb the impact force and seismic power inside and outside the cold storage, and improve the seismic performance of the cold storage. At the same time, its high-density structure can also withstand a certain pressure to ensure the structural strength and stability of the cold storage.

The production process of cold storage extrusion board generally includes foaming, extrusion and curing. First, the polystyrene particles are heated to a molten state, and then bubbles are generated through the action of blowing agents to form foams. Then, the foam is extruded by the extruder, and the molding process can be die-cut as needed to obtain the required size and shape. Finally, the extruded sheet is cooled and cured to form the final cold storage extruded sheet.

At present, cold storage extruded panel has been widely used in the field of cold storage construction, and has shown some new development trends. First of all, with the development of cold chain logistics, the demand for cold storage continues to increase, and the market demand for cold storage extruded panels will continue to expand. Secondly, with the improvement of people's requirements for food quality and safety, the requirements for cold storage thermal insulation performance are also getting higher and higher, so the quality and performance of cold storage extruded panels will continue to improve. At the same time, with the enhancement of energy conservation and environmental protection awareness, the green environmental protection characteristics of cold storage extrusion board will be more concerned.

In summary, as an important material for the construction of cold storage, extruded cold storage board has excellent thermal insulation properties and weather resistance. Through reasonable production process and scientific design, the cold storage extrusion board can provide good insulation effect, reduce energy loss, and improve the energy utilization efficiency of the cold storage. With the development of cold chain logistics and the improvement of food quality requirements, the market demand for cold storage extruded panels will continue to increase. At the same time, focusing on product quality and green environmental protection characteristics is also an important trend in the development of cold storage extrusion board in the future.