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| Aging |
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After the expanded beads have been dried they are blown into large open storage bags for the aging process. The beads have been under a dynamic physical transformation that has left them with an internal vacuum in the millions of cells created. This vacuum must be equalized to atmospheric pressure otherwise this delicate balance may result in the collapse, or implosion, of the bead. This process of aging the expanded beads allows the beads to fill back up with air and equalize. This aging can take from 12 hours to 48 hours, depending on the desired expanded density of the bead.
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