PMP

HPMs – High-performance materials

PMP

Polymethylpentene is a strong, clear amorphous thermoplastic that is similar to polypropylene. It has good chemical-resistance and electrical insulating properties. Its density is extremely low (0.83 g/cm3). We deliver PMP as plastic sheets and rods.

Physical properties
  Value Unit Test method
Specific gravity 0.83 g/cm3 DIN EN ISO 1183
Average molecular mass N/A
Water absorption, 24/96 h (23 °C) % DIN EN ISO 62
Weather-resistance poor
Combustibility HB UL 94 DIN EN ISO 527-2
Food safety
Mechanical properties
  Value Unit Test method
Modulus of elasticity 1000 MPa DIN EN ISO 527-2
Tensile strength 26 MPa DIN EN ISO 527-2
Elongation at break 6 % DIN EN ISO 527-2
Tensile strength at break 67 % DIN EN ISO 527-2
Flexural modulus 800 MPa DIN EN ISO 178
Flexural strength 31 MPa DIN EN ISO 178
Compressive modulus 1000 MPa EN ISO 604
Compressive strength, 1%/2% 11/19 MPa EN ISO 604
Impact strength (Charpy) 17 kJ/m2 DIN EN ISO 179-1eU
Notch impact strength (Charpy) N/A
Notch impact strength (Izod) kJ/m2 DIN EN ISO 180/2A
Toughness (ball pressure) 58 MPa ISO 2039-1
Toughness (Shore D) N/A
Wear-resistance N/A
Coefficient of friction (against steel) N/A
Thermal properties
  Value Unit Test method
Glass-transition temperature N/A
Melting point N/A
Operating temperature (instantaneous) +170 °C
Operating temperature (continuous) 120 °C
Operating temperature (minimum) N/A
Thermal expansion coefficient, 23–60 °C N/A
Thermal expansion coefficient, 23–100 °C N/A
Specific heat capacity N/A
Thermal conductivity N/A
Electrical properties
  Value Unit Test method
Surface resistivity N/A
Resistivity N/A
Dielectric strength N/A
CTI value N/A
Optical properties
  Value Unit Test method
Light transmittance N/A
Refractive index N/A
Optical errors N/A
Abrasion-resistance, 100 rotations with 500 g N/A

Additional downloads

Delivery selection plastic sheets, plastic rods
Specific gravity 0.83 g/cm3
Service temperature N/A … 120 °C
Price category €€€ (€26–50/kg)

Special properties

  • good chemical-resistance
  • low water absorption
  • low density
  • good electrical insulation properties
  • good optical properties
  • not gas-tight

Applications

electronics industry, precision engineering, laser technology, pharmaceutical industry

Standard colours

clear

Premade pieces

enquire

Commonly known brands

TECAFINE® PMP