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TPUs

Thermoplastic polyurethanes (TPUs) are known for their flexibility, kink resistance, and ease of bondability, but are infamous for their inconsistent processability. They can come in a wide variety of colors, radiopaque fillings, and durometers (hardnesses). TPUs are a commonly used material for catheters, especially for central venous catheters (CVCs) and short-term implants.

Carbothane®

Carbothane is an aliphatic and aromatic polycarbonate-based TPU. Carbothane does not yellow and has a higher degree of chemical resistance that makes it suitable for longer-term implants.

Estane®

Estane is a tough, impact-resistant urethane that has exceptional low-temperature properties. Like other TPUs it is offered in a wide range of durometers.

Pellethane®

Pellethane is a medical-grade urethane that is meant for short-term use. It is very resilient and exhibits exceptionally smooth surfaces that make it ideal for use in catheters. Pellethane is known for its flexibility and wide range of hardnesses.

Tecoflex®

Tecoflex is an aliphatic polyether-based TPU. It has a natural UV stability which keeps it from yellowing over time. Softer grades are meant for short-time usage as they are prone to stress cracking.

Tecothane®

Tecothane is an aromatic polyether-based TPU. Tecothane is noteworthy because it exhibits excellent solvent/chemical resistance and biostability over a wide range of hardnesses. Additionally, it is the most customizable TPU in hardness as well as color.

Texin®

Texin is an aromatic polyether-based TPU. It has excellent low-temperature impact strength and good flexibility over a wide range of temperatures.