***All extrusion equipment utilized by SELA is of the highest quality available to make the very best straws available.***   Extrusion: Corrugated straws are made in a continuous extrusion process where pellets of LDPE plastic are fed into a plastic extruder, which heats the plastic (for this product to approximately 400°F), it then compresses … Continue reading How It’s Made: Corrugated Straws