Thermoplastic polyurethane (TPU) is an elastomer that is fully thermoplastic. Like all thermoplastic elastomers, TPU is elastic and melt-processable. Further, it can be processed on extrusion as well as injection, blow and compression molding equipment. It can be vacuum-formed or solution-coated and is well suited for a wide variety of fabrication methodologies. But more so than any other thermoplastic elastomer, TPU can provide a considerable number of physical property combinations making it an extremely flexible material adaptable to dozens of uses.

This versatility results from the unique structure of TPU that results in high resilience, good compression set, plus resistance to impacts, abrasions, tears, weather, and even hydrocarbons. TPU offers flexibility without the use of plasticizers as well as a broad range of hardness’s and high elasticity. In fact, TPU bridges the material gap between rubbers and plastics. Its range of physical properties enables TPU to be used as both a hard rubber and a soft engineering thermoplastic. TPU’s can be sterilized, welded, easily processed, die-cut and slitted. They have low temperature flexibility and, in some grades, exhibit biocompatibility, hydrolytic stability, optical clarity, plus flame retardant and anti-static properties.

Further, TPU can be compounded for use in numerous applications where greater structural integrity is required, such as for automotive body side moldings. For example, when mixed with glass fiber or mineral fillers, TPU’s properties of abrasion resistance, paintability, high impact strength and good low temperature flexibility can all become enhanced, and the compound also demonstrates good fuel and oil resistance and high melt flow characteristics.

In addition, TPU is an outstanding contributor of polymer blends. When added to polyvinyl chloride (PVC), TPU improves compression set, abrasion resistance and low temperature flexibility.

Whether for its outstanding toughness, durability or processing ease, TPU is a versatile performer that bridges the gap between rubber and plastics