Polypropylene coffee pods show great promise

Printpack's material scientists are hard at work developing a polypropylene blend that can be used for thermoformed coffee pods. The polystyrene materials currently in widespread use don't have the best moisture barrier and are generally not as green€ as PP.

The building envelope is a production asset
Condensation, energy loss, and sanitation failures often trace back to the same place. This free article shows where to look.
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The building envelope is a production asset