Handbook  of  Cable & Wire  Producer                                 


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Thermoplastic Polyurethane (TPU)

Plastic Type Thermoplastic / Thermoset
Melting Point 220 0C ( thermoplastic)
Density 0,92-1,42 g/cm3
Tensile Strength  167 N/mm2
Max. Use Temperature 110 0C
Dielectric constant 3,0-6,14 @1MHz
Resistance (ohm/cm) 3.8E+9 to 1.1E+14

Polyurethane was produced for the first time in Germany in 1937. Polyurethane is a thermosetting polymer.  TPU- Thermoplastic polyurethane came later.
TPU is used in outomotive cables, trailer cables , and special applications of power cables.  It has many advantages.  TPU has excellent resistance to oils, solvents, greases and gasoline. Polyurethane has excellent electrical insulating properties and used successfully in many wire and cable harness assemblies in automotive industry, and household appliances.  It has outstanding resistance to oxygen, ozone, sunlight and general weather conditions as well.