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Coextruded PP/EVOH tube with double-seamed metal ends.

Pixargus’ ProfilControl 7 ICSM said to be first to also measure the rate of recycled material of coextruded profiles. 

Two innovations in medical tubing and more than a dozen new materials, coatings, and adhesives were on display at June’s Medical Design & Manufacturing (MD&M) East show in Philadelphia.

DuPont Engineering Polymers, Wilmington, Del., has created a new Center of Excellence for coextruded pipe and tubing at its European Technical Center in Geneva, Switzerland.

At trade show, suppliers team to show how to run a medical tube that includes medicine.

The system uses crosshead profile dies to coextrude fiber tows and unidirectional tapes as continuous axial reinforcement in the extruded profile.

Loose propagation of terms like “recyclable” and “compostable” has already brought down government regulations on labeling. The plastics and packaging industries should take that to heart with other recycle-related language. Like “monomaterial” for example.

Hollow tubing with a high loading of wood fiber is one of the newest products—and one of the trickiest—in the booming business of wood-filled thermoplastic extrusion.

Medical tubes are becoming ever smaller and thinner while adding new features like high-tech material combinations, more wire braiding/wrapping, and heat-shrink sheathing for strength and kink resistance.

Coextrusion is on the increase in tubing for medical uses, with more layers, more exotic materials, and much thinner walls. These require unprecedented levels of dimensional accuracy and flaw detection.