Elastomers/TPEs
Cost-Effective Flexible Thermoplastic Polyolefin — Thermoplastic Polyolefin (TPO)
TPOs combine the processability of thermoplastics with the flexibility and durability of rubber. They offer a good balance of properties for various applications.
TPO
Manufacturers
3
Grades
3
Applications
4
Equivalents
0
Physical Properties
- Density
- 0.86 - 0.95 g/cm³
- Water Absorption (24h)
- 0.1 - 0.5 %
- Transparency
- Opaque
- Shrinkage
- 1.0 - 2.0 %
Mechanical Properties
- Young's Modulus
- 0.01 - 0.05 GPa
- Tensile Strength
- 5 - 15 MPa
- Elongation at Break
- 300 - 700 %
- Impact Strength (Izod)
- Good (especially at low temps)
Thermal Properties
- Glass Transition Temperature
- -40 to -10 °C
- Melting Point
- 140 - 170 °C
- Continuous Service Temperature
- -40 to 100 °C
- Heat Deflection Temperature
- 20 - 50 °C
Electrical Properties
- Dielectric Constant
- 2.5 - 3.5
- Volume Resistivity
- 10^14 - 10^16 Ohm-cm
- Dielectric Strength
- 20 - 30 kV/mm
Chemical Resistance
- Acids
- Good
- Bases
- Good
- Solvents
- Good resistance to polar solvents, acids, and bases; Poor resistance to hydrocarbons
- UV Resistance
- Good (with additives)
Sustainability
- Recyclability
- Recyclable (thermoplastic)
- Recycling Code
- 7 (Other) or 5 (PP component)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Melt BlendingInjection MoldingExtrusionBlow Molding
Applications
Automotive bumpers and trim
Roofing membranes
Wire and cable insulation
Hoses
Available grades
TPO 40DTPO 50DTPO 60D
Manufacturers
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