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 Polyetherketone (PEK) Typical Properties
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English
Properties
PAEK
PEEK
PEKK
Specific Gravity1.30 to 1.381.28 to 1.381.28 to 1.31
Melt Mass Flow Rate (g/10 min)--3.0 to 4525 to 110
Flexural Modulus (psi)580000 to 60900022900 to 694000490000 to 687000
Tensile Strength (psi)138001740 to 1510013000 to 16000
Tensile Elongation (%)250.90 to 6112 to 14
Rockwell Hardness--98 to 12688
Notched Izod Impact (ft·lb/in)--0.762 to 2.030.900 to 1.30
DTUL at 66 psi (0.45 MPa) (°F)--349 to 572--
DTUL at 264 psi (1.8 MPa) (°F)--290 to 550286 to 350
CLTE, Flow (in/in/°F)--2.6E-6 to 0.000600.000012 to 0.000022

SI
Properties
PAEK
PEEK
PEKK
Specific Gravity (g/cm³)1.30 to 1.381.27 to 1.371.28 to 1.31
Melt Mass Flow Rate (g/10 min)--3.0 to 4525 to 110
Flexural Modulus (MPa)4000 to 4200158 to 47903380 to 4730
Tensile Strength (MPa)95.012.0 to 10489.6 to 110
Tensile Elongation (%)250.90 to 6112 to 14
Rockwell Hardness--98 to 12688
Notched Izod Impact (J/m)--40.7 to 10848.0 to 69.4
DTUL at 66 psi (0.45 MPa) (°C)--176 to 300--
DTUL at 264 psi (1.8 MPa) (°C)--143 to 288141 to 177
CLTE, Flow (cm/cm/°C)--4.7E-6 to 0.00110.000021 to 0.000039

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