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As mentioned above, the working principle of EPS pre-expander machine is to expand a fixed amount of raw materials to a fixed volume to achieve the required density. It sounds pretty easy but actually, there are multiple steps of the working process, so there is a need to know how to operate it well.
Tecnodinamica pre-expanders are fully automatic machines for expanding EPS. Pre-expanders guarantee superior performance over time and maximum quality in the EPS processing phase in terms of: Efficiency: constant quality and repetitiveness of the material with reduced cycle times. Minimum residual humidity in the expanded material. Broad range of densities available.
Heat protection in summer and cold protection in winter. Under high load conditions, the material achieves buffering and shock absorption through deformation, energy absorption, and decomposition of energy, and it also has the functions of heat preservation and heat insulation. EPS packaging products are usually white, and color can be produced on request. The product will not release toxic substances under low temperature conditions. Using foam fresh-keeping boxes as packaging materials is relatively safe, and EPS packaging products are easier to recycle and reuse, making them an excellent green packaging material.
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