PVDF

Fluoroplastics –

PVDF

Polyvinylidene fluoride is a high-performance plastic with good chemical resistance, mechanical strength and heat resistance. PVDF material can be used in chemical installations, mining, pharmaceuticals and bioindustry, as well as in power plant engineering. The material is used in linings and coatings, and in machine parts. We deliver PVDF as plastic sheets and rods.

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Physical properties
  Value Unit Test method
Specific gravity 1.78 g/cm3 DIN EN ISO 1183
Average molecular mass N/A
Water absorption, 24/96 h (23 °C) – % DIN EN ISO 62
Weather-resistance moderate
Combustibility B1 UL 94 DIN EN ISO 527-2
Food safety yes
Mechanical properties
  Value Unit Test method
Modulus of elasticity 2200 MPa DIN EN ISO 527-2
Tensile strength 62 MPa DIN EN ISO 527-2
Elongation at break 8 % DIN EN ISO 527-2
Tensile strength at break 17 % DIN EN ISO 527-2
Flexural modulus 2100 MPa DIN EN ISO 178
Flexural strength 77 MPa DIN EN ISO 178
Compressive modulus 1900 MPa EN ISO 604
Compressive strength, 1%/2% 16/28 MPa EN ISO 604
Impact strength (Charpy) 150 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) 129 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 -40 °C DIN 53765
Melting point 171 °C DIN 53765
Operating temperature (instantaneous) +150 °C
Operating temperature (continuous) 150 °C
Operating temperature (minimum) -30 °C
Thermal expansion coefficient, 23–60 °C 16 10-5 K-1 DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C 18 10-5 K-1 DIN EN ISO 11359-1;2
Specific heat capacity 1.3 J/(g×K) ISO 22007-4:2008
Thermal conductivity 0.25 W/(m×K) ISO 22007-4:2008
Electrical properties
  Value Unit Test method
Surface resistivity 1014 Ω DIN IEC 60093
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 bars
Specific gravity 1.78 g/cm3
Service temperature -30 … 150 °C
Price category €€€ (€26–50/kg)

Special properties

  • extremely high resistance to chemicals
  • good ability to withstand loads also at high temperatures
  • good wear-resistance
  • suitability for welding
  • good resistance to seawater and weather
  • high resistance to UV radiation
  • low flammability

Applications

unlubricated bearings subjected to high speeds, except for extremely hard surfaces, chemical industry, bioindustry, mining, power plants

Standard colours

natural

Premade pieces

enquire

Commonly known brands

GEHR PVDF®, Polystone® PVDF, SUSTAPVDF®, Simona® PVDF, Symalit® PVDF, TECAFLON® PVDF

Further information

Note: The material is also available in an electrically conductive ELS version and as compounds containing fibreglass, polyester or aramids (for container-lining applications)