2020.09.29
The bead material that has just emerged from the foam machine is wet. After the release of the preconditioner, it suddenly becomes cold due to the absorption of air, resulting in the condensation of foaming agent in the honeycomb bubble so as to form negative pressure in the bubble. Therefore, the beads must be placed for a period of time after being pretreated, on the one hand, it will be dried, and on the other hand, it will permeate into the air to eliminate negative pressure and balance the internal pressure and the external pressure in the bubble. Bubble free hole collapse, so that the beads have elastic.
The process of drying, cooling and pressure stabilization of EPS beads is called maturation.
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