MatWeb, The Online Materials Database

Bayer MaterialScience Texin® 270 Urethane Thermoplastic Elastomer

Subcategory: Elastomer, TPE; Polymer; Polyurethane, TP; Thermoplastic

Key Words: TPU

Material Notes:
Key Features:

• Unfilled

Suitable processing methods:

• Injection molding

Information provided by Bayer Polymers.

Physical Properties	Metric	English	Comments
Density	1.24 g/cc	0.0448 lb/in³
Mechanical Properties
Tensile Strength, Yield	28 MPa	4060 psi	Stress at 50% Strain
Elongation at Break	Min 50 %	Min 50 %
Electrical Properties
Volume Resistivity	5e+012 ohm-cm	5e+012 ohm-cm
Surface Resistance	9e+014 ohm	9e+014 ohm
Dielectric Constant	3.9	3.9	1 MHz
Dielectric Constant	4.6	4.6	100 Hz
Dielectric Strength	23.7 kV/mm	602 kV/in
Dissipation Factor	0.029	0.029	1 MHz
Dissipation Factor	0.031	0.031	100 Hz
Thermal Properties
CTE, linear 20°C	140 µm/m-°C	77.8 µin/in-°F	Parallel
Deflection Temperature at 0.46 MPa (66 psi)	46 °C	115 °F
Vicat Softening Point	158 °C	316 °F	50°C/h 50N
Glass Temperature	0 °C	32 °F	10°C/min
Processing Properties
Melt Temperature	230 °C	446 °F	Injection Molding
Mold Temperature	35 °C	95 °F	Injection Molding
Injection Pressure	45 MPa	6530 psi