Overview of materials for Polyetheretherketone, Unreinforced
Categories: Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes: This property data is a summary of similar materials in the MatWeb database for the category "Polyetheretherketone, Unreinforced". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
Vendors: With over 30 years of focus, experience and security of supply Victrex Polymer Solutions is the world’s leading manufacturer of high performance Polyaryletherketones (PAEK) including versatile VICTREX™ PEEK. We work with our customers and end users to deliver technology driven solutions to meet the challenges and opportunities they face and help them to achieve new levels of cost savings, quality and performance. Visit www.victrex.com, call (800) VICTREX /1-484-342-6001, or email victrexplc@victrex.com.

Ensinger TECAPEEK™ shapes are manufactured exclusively with Victrex™ PEEK polymer. The Ensinger process and Victrex resins ensure reliability, consistency, dimensional stability, and high temperature mechanical performance.

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Physical PropertiesMetricEnglishComments
Density 1.26 - 1.72 g/cc0.0454 - 0.0621 lb/in³Average value: 1.34 g/cc Grade Count:212
Filler Content 0.000 %0.000 %Average value: 0.000 % Grade Count:4
Water Absorption 0.0200 - 0.500 %0.0200 - 0.500 %Average value: 0.249 % Grade Count:61
Moisture Absorption at Equilibrium 0.0200 - 0.500 %0.0200 - 0.500 %Average value: 0.230 % Grade Count:37
Water Absorption at Saturation 0.0700 - 1.65 %0.0700 - 1.65 %Average value: 0.451 % Grade Count:36
 0.550 - 0.560 %
@Temperature 100 - 100 °C		0.550 - 0.560 %
@Temperature 212 - 212 °F		Average value: 0.551 % Grade Count:9
Particle Size 10.0 - 550 µm10.0 - 550 µmAverage value: 200 µm Grade Count:12
Viscosity 90000 - 500000 cP
@Temperature 400 - 400 °C		90000 - 500000 cP
@Temperature 752 - 752 °F		Average value: 250000 cP Grade Count:13
 1120 - 1120 cP
@Temperature 380 - 380 °C		1120 - 1120 cP
@Temperature 716 - 716 °F		Average value: 250000 cP Grade Count:1
 1120 - 1120 cP
@Frequency 100 - 100 Hz		1120 - 1120 cP
@Frequency 100 - 100 Hz		Average value: 250000 cP Grade Count:1
Linear Mold Shrinkage 0.00100 - 0.0200 cm/cm0.00100 - 0.0200 in/inAverage value: 0.0105 cm/cm Grade Count:70
Linear Mold Shrinkage, Transverse 0.00110 - 0.0200 cm/cm0.00110 - 0.0200 in/inAverage value: 0.0102 cm/cm Grade Count:44
Melt Flow 0.260 - 182 g/10 min0.260 - 182 g/10 minAverage value: 29.1 g/10 min Grade Count:89
Spiral Flow 11.0 - 70.0 cm4.33 - 27.6 inAverage value: 28.0 cm Grade Count:7
 12.5 - 63.0 cm
@Temperature 375 - 395 °C		4.92 - 24.8 in
@Temperature 707 - 743 °F		Average value: 29.5 cm Grade Count:2
 12.5 - 63.0 cm
@Thickness 1.00 - 3.00 mm		4.92 - 24.8 in
@Thickness 0.0394 - 0.118 in		Average value: 29.5 cm Grade Count:2
Ash 3.60 - 25.4 %3.60 - 25.4 %Average value: 19.1 % Grade Count:6
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 85.0 - 10985.0 - 109Average value: 101 Grade Count:29
Hardness, Rockwell R 105 - 126105 - 126Average value: 121 Grade Count:6
Hardness, Shore D 62.0 - 94.062.0 - 94.0Average value: 85.8 Grade Count:58
Ball Indentation Hardness 90.0 - 250 MPa13100 - 36300 psiAverage value: 207 MPa Grade Count:6
Tensile Strength, Ultimate 48.0 - 265 MPa6960 - 38400 psiAverage value: 98.9 MPa Grade Count:136
 25.0 - 80.0 MPa
@Temperature 60.0 - 150 °C		3630 - 11600 psi
@Temperature 140 - 302 °F		Average value: 55.0 MPa Grade Count:2
Tensile Strength, Yield 11.0 - 125 MPa1600 - 18200 psiAverage value: 97.1 MPa Grade Count:107
Elongation at Break 1.70 - 110 %1.70 - 110 %Average value: 25.8 % Grade Count:189
 30.0 - 45.0 %
@Temperature 60.0 - 150 °C		30.0 - 45.0 %
@Temperature 140 - 302 °F		Average value: 35.0 % Grade Count:2
Elongation at Yield 3.60 - 45.0 %3.60 - 45.0 %Average value: 6.39 % Grade Count:78
 5.00 - 8.00 %
@Temperature 60.0 - 150 °C		5.00 - 8.00 %
@Temperature 140 - 302 °F		Average value: 6.00 % Grade Count:2
Modulus of Elasticity 2.14 - 8.27 GPa310 - 1200 ksiAverage value: 3.88 GPa Grade Count:181
 3.00 - 3.70 GPa
@Temperature 60.0 - 150 °C		435 - 537 ksi
@Temperature 140 - 302 °F		Average value: 3.44 GPa Grade Count:2
Flexural Yield Strength 86.2 - 380 MPa12500 - 55100 psiAverage value: 156 MPa Grade Count:108
 9.00 - 90.0 MPa
@Temperature 125 - 275 °C		1310 - 13100 psi
@Temperature 257 - 527 °F		Average value: 44.9 MPa Grade Count:9
Flexural Modulus 2.12 - 24.0 GPa307 - 3480 ksiAverage value: 4.37 GPa Grade Count:111
 0.20312 - 0.20312 GPa
@Temperature 204 - 204 °C		29.460 - 29.460 ksi
@Temperature 400 - 400 °F		Average value: 0.203 GPa Grade Count:1
Flexural Strain at Break 3.00 - 7.00 %3.00 - 7.00 %Average value: 5.55 % Grade Count:20
Compressive Yield Strength 12.0 - 300 MPa1740 - 43500 psiAverage value: 94.1 MPa Grade Count:40
 65.0 - 80.0 MPa
@Temperature 120 - 120 °C		9430 - 11600 psi
@Temperature 248 - 248 °F		Average value: 71.9 MPa Grade Count:8
Compressive Modulus 2.48 - 4.25 GPa360 - 617 ksiAverage value: 3.34 GPa Grade Count:12
Shear Strength 55.0 - 90.0 MPa7980 - 13100 psiAverage value: 66.0 MPa Grade Count:9
 14.3411 - 68.2581 MPa
@Temperature 65.6 - 288 °C		2080.00 - 9900.02 psi
@Temperature 150 - 550 °F		Average value: 43.8 MPa Grade Count:1
Izod Impact, Notched 0.310 - 11.4 J/cm0.580 - 21.4 ft-lb/inAverage value: 0.997 J/cm Grade Count:26
Izod Impact, Unnotched 13.3 - 25.6 J/cm25.0 - 48.0 ft-lb/inAverage value: 20.1 J/cm Grade Count:3
Izod Impact, Notched (ISO) 0.450 - 10.5 kJ/m²0.214 - 5.00 ft-lb/in²Average value: 5.65 kJ/m² Grade Count:40
Izod Impact, Unnotched (ISO) 5.50 kJ/m² - NB2.62 ft-lb/in² - NBAverage value: 5.50 kJ/m² Grade Count:24
Charpy Impact Unnotched 2.50 J/cm² - NB11.9 ft-lb/in² - NBAverage value: 8.47 J/cm² Grade Count:89
 0.000 - 999.9 J/cm²
@Temperature -40.0 - -30.0 °C		0.000 - 4759 ft-lb/in²
@Temperature -40.0 - -22.0 °F		Average value: 10.3 J/cm² Grade Count:39
Charpy Impact, Notched 0.100 - 8.00 J/cm²0.476 - 38.1 ft-lb/in²Average value: 0.719 J/cm² Grade Count:98
 0.500 - 0.910 J/cm²
@Temperature -40.0 - -30.0 °C		2.38 - 4.33 ft-lb/in²
@Temperature -40.0 - -22.0 °F		Average value: 0.644 J/cm² Grade Count:37
Coefficient of Friction 0.150 - 0.4000.150 - 0.400Average value: 0.264 Grade Count:13
Coefficient of Friction, Static 0.200 - 0.3200.200 - 0.320Average value: 0.240 Grade Count:6
K (wear) Factor 2.00 - 403 x 10-8 mm³/N-M0.993 - 200 x 10-10 in³-min/ft-lb-hrAverage value: 210 x 10-8 mm³/N-M Grade Count:8
Limiting Pressure Velocity 2.42 MPa-m/sec69000 psi-ft/minAverage value: 2.42 MPa-m/sec Grade Count:4
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 15000 - 4.90e+16 ohm-cm15000 - 4.90e+16 ohm-cmAverage value: 1.17e+16 ohm-cm Grade Count:85
 1.00e+9 - 1.00e+15 ohm-cm
@Temperature 125 - 275 °C		1.00e+9 - 1.00e+15 ohm-cm
@Temperature 257 - 527 °F		Average value: 5.00e+14 ohm-cm Grade Count:7
Surface Resistance 3000 - 1.00e+18 ohm3000 - 1.00e+18 ohmAverage value: 1.25e+17 ohm Grade Count:58
Insulation Resistance 1.00e+12 ohm1.00e+12 ohmAverage value: 1.00e+12 ohm Grade Count:3
Dielectric Constant 2.20 - 10.92.20 - 10.9Average value: 3.16 Grade Count:64
 4.50 - 4.50
@Temperature 200 - 200 °C		4.50 - 4.50
@Temperature 392 - 392 °F		Average value: 4.50 Grade Count:2
 4.50 - 4.50
@Frequency 50.0 - 50.0 Hz		4.50 - 4.50
@Frequency 50.0 - 50.0 Hz		Average value: 4.50 Grade Count:2
Dielectric Strength 15.7 - 200 kV/mm400 - 5080 kV/inAverage value: 35.3 kV/mm Grade Count:64
Dissipation Factor 0.00100 - 0.5180.00100 - 0.518Average value: 0.0194 Grade Count:44
Comparative Tracking Index 125 - 200 V125 - 200 VAverage value: 174 V Grade Count:28
 
Thermal PropertiesMetricEnglishComments
CTE, linear 4.70 - 216 µm/m-°C2.61 - 120 µin/in-°FAverage value: 52.9 µm/m-°C Grade Count:110
 10.8 - 252 µm/m-°C
@Temperature 22.8 - 150 °C		6.00 - 140 µin/in-°F
@Temperature 73.0 - 302 °F		Average value: 104 µm/m-°C Grade Count:36
CTE, linear, Transverse to Flow 47.0 - 252 µm/m-°C26.1 - 140 µin/in-°FAverage value: 77.6 µm/m-°C Grade Count:11
 140 - 160 µm/m-°C
@Temperature >=143 °C		77.8 - 88.9 µin/in-°F
@Temperature >=289 °F		Average value: 145 µm/m-°C Grade Count:8
Specific Heat Capacity 1.10 - 2.20 J/g-°C0.263 - 0.526 BTU/lb-°FAverage value: 1.41 J/g-°C Grade Count:13
Thermal Conductivity 0.173 - 0.950 W/m-K1.20 - 6.59 BTU-in/hr-ft²-°FAverage value: 0.299 W/m-K Grade Count:59
Melting Point 178 - 386 °C352 - 726 °FAverage value: 340 °C Grade Count:174
Maximum Service Temperature, Air 150 - 310 °C302 - 590 °FAverage value: 269 °C Grade Count:100
Deflection Temperature at 0.46 MPa (66 psi) 152 - 336 °C306 - 637 °FAverage value: 210 °C Grade Count:39
Deflection Temperature at 1.8 MPa (264 psi) 140 - 336 °C284 - 637 °FAverage value: 161 °C Grade Count:131
Vicat Softening Point 280 - 335 °C536 - 635 °FAverage value: 319 °C Grade Count:48
Softening Point 168 °C334 °FAverage value: 168 °C Grade Count:8
Minimum Service Temperature, Air -100 - -20.0 °C-148 - -4.00 °FAverage value: -47.2 °C Grade Count:29
Glass Transition Temp, Tg 143 - 180 °C289 - 356 °FAverage value: 147 °C Grade Count:91
UL RTI, Electrical 260 °C500 °FAverage value: 260 °C Grade Count:4
UL RTI, Mechanical with Impact 180 °C356 °FAverage value: 180 °C Grade Count:4
UL RTI, Mechanical without Impact 240 °C464 °FAverage value: 240 °C Grade Count:4
Flammability, UL94 V-1 - V-0V-1 - V-0Grade Count:107
Oxygen Index 23.0 - 49.0 %23.0 - 49.0 %Average value: 34.9 % Grade Count:10
Glow Wire Test 800 - 960 °C1470 - 1760 °FAverage value: 911 °C Grade Count:20
 
Processing PropertiesMetricEnglishComments
Processing Temperature 100 - 410 °C212 - 770 °FAverage value: 290 °C Grade Count:38
Nozzle Temperature 360 - 440 °C680 - 824 °FAverage value: 382 °C Grade Count:25
Melt Temperature 174 - 470 °C345 - 878 °FAverage value: 378 °C Grade Count:86
Mold Temperature 149 - 250 °C300 - 482 °FAverage value: 184 °C Grade Count:78
Injection Velocity 200 mm/sec7.87 in/secAverage value: 200 mm/sec Grade Count:16
Drying Temperature 120 - 180 °C248 - 356 °FAverage value: 140 °C Grade Count:59
Moisture Content 0.0200 - 0.290 %0.0200 - 0.290 %Average value: 0.0856 % Grade Count:16
Injection Pressure 82.7 - 124 MPa12000 - 18000 psiAverage value: 103 MPa Grade Count:3
Recrystallization Temperature 285 °C545 °FAverage value: 285 °C Grade Count:4

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