PETG

PETG – Amorphous polyester

PETG

PETG is a clear, amorphous thermoplastic. Its best qualities include good impact strength and resistance to low temperatures. It is well suited to thermoforming and machining, which makes it a popular material in vacuum‑forming. PETG is available as bio-compatible version, making it suitable for use in the food and drinks industry. We deliver PETG as plastic sheets.

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Physical properties
  Value Unit Test method
Specific gravity 1.27 g/cm3 DIN EN ISO 1183
Average molecular mass N/A
Water absorption, 24/96 h (23 °C) N/A
Weather-resistance moderate
Combustibility HB 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 59 MPa DIN EN ISO 527-2
Elongation at break N/A
Tensile strength at break 23 % DIN EN ISO 527-2
Flexural modulus 2290 MPa DIN EN ISO 178
Flexural strength 89 MPa DIN EN ISO 178
Compressive modulus N/A
Compressive strength, 1%/2% N/A
Impact strength (Charpy) does not break kJ/m2 DIN EN ISO 179-1eU
Notch impact strength (Charpy) 6 kJ/m2 DIN EN ISO 179-1eA
Notch impact strength (Izod) – kJ/m2 DIN EN ISO 180/2A
Toughness (ball pressure) N/A
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 280 °C DIN 53765
Operating temperature (instantaneous) +70 °C
Operating temperature (continuous) 65 °C
Operating temperature (minimum) -30 °C
Thermal expansion coefficient, 23–60 °C 6.8 10-5 K-1 DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C N/A
Specific heat capacity 1.1 J/(g×K) ISO 22007-4:2008
Thermal conductivity 0.2 W/(m×K) ISO 22007-4:2008
Electrical properties
  Value Unit Test method
Surface resistivity 1016 Ω DIN IEC 60093
Resistivity 1015 Ω×cm DIN IEC 60093
Dielectric strength 16 kV/mm DIN EN 60243-1
CTI value N/A
Optical properties
  Value Unit Test method
Light transmittance 88
Refractive index 1.57
Optical errors N/A
Abrasion-resistance, 100 rotations with 500 g N/A

Additional downloads

Delivery selection plastic sheets
Specific gravity 1.27 g/cm3
Service temperature -30 … 65 °C
Price category €€ (€8–25/kg)

Special properties

  • impact resistance
  • easy processing via thermoforming
  • resistance to low temperatures
  • ease of machining
  • high resistance to chemicals
  • food-grade product
  • suitable for prostheses

Applications

glazing, snowmobile windscreens, objects for thermoforming, health technology and equipment, components for the food or electronics industry

Standard colours

clear

Special colours

opal, satin

Premade pieces

enquire

Commonly known brands

Griphen®, SIMOLUX®, Spectar®, Vivak®

Further information

Note: Anti-static grades are available.