EPE of the telescopic structure can save warehouse and logistics space, improve space utilization, and reduce the overall cost of the product. The telescopic structure of EPE sheet can be divided into two categories, a tensile force removed automatically rebound after contraction (Figure 2), can be used in a variety of sizes, packaging materials and single, no classification or classifications less can reduce packing time, greatly improving packaging efficiency. After another stretch in the presence of particular structural support will remain stretched, when exerted enough force compression will restore the status quo ante (Figure 3), required geometry during the design process calculation and sampling to precisely determine the elongation: this structure can also be used as a tray or carton cushion pad, saving space and materials. The telescopic structure the appearance of beautiful, simple and convenient.
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