A blown coextrusion of 3-mil PE-EVA film encases vacuum-compressed urethane foam. When the outer packaging is punctured, the vacuum is released, and the bag expands to form around the contents. The packages can be custom-printed in up to 6 colors.
Xpander Pak: Protective shipper
Testing by a mail-order pharmaceutical house showed that Xpander Pak's (Glen Allen, VA) Super Protective Shippers Rx version beats conventional packaging in cold retention.
Oct 31st, 1999
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