There are operational and financial incentives for a thermoformer to bring sheet extrusion in-house and configure the system for in-line thermoforming of PET, PP, and PS. Double-polished sheet at about 200-microns (8-mils) thick is classified as in the thin-gauge category, and extruding it presents special challenges. This article will examine the key factors that should be considered to run trouble-free thin-gauge sheet extrusion coupled with in-line thermoforming.
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