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PEEK 30% Carbon Filled vs PET (Polyethylene Terephthalate)

Property comparison of PEEK 30% Carbon Filled and PET (Polyethylene Terephthalate), both polymer.

Polymer8 compared properties
PropertyPEEK 30% Carbon FilledPET (Polyethylene Terephthalate)Difference
Tensile strength210 MPa55 MPa-74%
Elongation1.5 %30 %+1900%
Elastic modulus18,000 MPa2,800 MPa-84%
Poisson ratio0.40.38-5%
Density1,400 kg/m³1,370 kg/m³-2%
Thermal conductivity1.1 W/m·K0.24 W/m·K-78%
Specific heat1,100 J/kg·K1,170 J/kg·K+6%
Coefficient of thermal expansion0.00002 1/K0.00006 1/K+200%

Difference is PET (Polyethylene Terephthalate) relative to PEEK 30% Carbon Filled. Values are taken from the representative row of each material; both materials may have multiple heat treatments or conditions on their individual pages.

Identification

PEEK 30% Carbon Filled
standard
ASTM
PET (Polyethylene Terephthalate)
standard
ASTM

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