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VICTREX™ PEEK 381G Medium Viscosity
Categories: Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced

Material Notes: High performance thermoplastic material, unreinforced PolyEtherEtherKetone (PEEK), semi crystalline, depth filtered granules for specialty extrusion processes, standard flow, FDA food contact compliant, color natural/beige.

Typical Application Areas: Wire coating, extrusion of filaments, minitubes, films. Chemically resistant to aggressive environments, suitable for sterilisation for medical and food contact applications.

Information provided by Victrex.

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 1.30 g/cc0.0470 lb/in³ASTM D792
Water Absorption at Saturation  0.45 %
@Temperature 23.0 °C
0.45 %
@Temperature 73.4 °F
immersion; ISO 62-1
 0.55 %
@Temperature 100 °C
0.55 %
@Temperature 212 °F
immersion; ISO 62-1
Viscosity 300000 cP
@Temperature 400 °C
300000 cP
@Temperature 752 °F
melt; ISO 11443
Linear Mold Shrinkage, Flow 0.010 cm/cm0.010 in/in370°C nozzle, 170°C tool; ISO 294-4
Linear Mold Shrinkage, Transverse 0.013 cm/cm0.013 in/in370°C nozzle, 170°C tool; ISO 294-4
Spiral Flow 12.0 cm
@Thickness 1.00 mm
4.72 in
@Thickness 0.0394 in
Mold Temp: 170°C, Melt Temp: 370°C
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 84.584.5ISO 868
Tensile Strength, Yield 98.0 MPa14200 psiISO 527
Elongation at Break 45 %45 %ISO 527
Tensile Modulus 4.00 GPa580 ksiISO 527
Flexural Strength  12.5 MPa
@Temperature 275 °C
1810 psi
@Temperature 527 °F
ISO 178
 19.0 MPa
@Temperature 175 °C
2760 psi
@Temperature 347 °F
ISO 178
 85.0 MPa
@Temperature 125 °C
12300 psi
@Temperature 257 °F
ISO 178
 165 MPa
@Temperature 23.0 °C
23900 psi
@Temperature 73.4 °F
ISO 178
 125 MPa
@Strain 3.5 %,
Temperature 23.0 °C
18100 psi
@Strain 3.5 %,
Temperature 73.4 °F
ISO 178
Flexural Modulus 4.00 GPa580 ksiISO 178
Izod Impact, Notched (ISO) 7.00 kJ/m²
@Temperature 23.0 °C
3.33 ft-lb/in²
@Temperature 73.4 °F
ISO 180/A
Izod Impact, Unnotched (ISO) NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ISO 180/U
Charpy Impact Unnotched NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ISO 179/U
Charpy Impact, Notched 0.600 J/cm²
@Temperature 23.0 °C
2.86 ft-lb/in²
@Temperature 73.4 °F
ISO 179/1eA
Compression Set  70 %
@Temperature 120 °C
70 %
@Temperature 248 °F
ISO 604
 125 %
@Temperature 23.0 °C
125 %
@Temperature 73.4 °F
ISO 604
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity  1.00e+9 ohm-cm
@Temperature 275 °C
1.00e+9 ohm-cm
@Temperature 527 °F
IEC 60093
 1.00e+15 ohm-cm
@Temperature 125 °C
1.00e+15 ohm-cm
@Temperature 257 °F
IEC 60093
 1.00e+16 ohm-cm
@Temperature 23.0 °C
1.00e+16 ohm-cm
@Temperature 73.4 °F
IEC 60093
Dielectric Constant  3.2
@Frequency 50000 Hz,
Temperature 23.0 °C
3.2
@Frequency 50000 Hz,
Temperature 73.4 °F
IEC 60250
 4.5
@Frequency 50 Hz,
Temperature 200 °C
4.5
@Frequency 50 Hz,
Temperature 392 °F
IEC 60250
Dielectric Strength  23.0 kV/mm
@Thickness 2.00 mm
584 kV/in
@Thickness 0.0787 in
IEC 60243-1
 190 kV/mm
@Thickness 0.0500 mm
4830 kV/in
@Thickness 0.00197 in
IEC 60243-1
Dissipation Factor 0.0030
@Frequency 1e+6 Hz
0.0030
@Frequency 1e+6 Hz
Comparative Tracking Index 150 V150 VISO 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow  45.0 µm/m-°C
@Temperature <=143 °C
25.0 µin/in-°F
@Temperature <=289 °F
Below Tg; ISO 11359
 120 µm/m-°C
@Temperature >=143 °C
66.7 µin/in-°F
@Temperature >=289 °F
Above Tg; ISO 11359
CTE, linear, Transverse to Flow  55.0 µm/m-°C
@Temperature <=143 °C
30.6 µin/in-°F
@Temperature <=289 °F
Below Tg; ISO 11359
 140 µm/m-°C
@Temperature >=143 °C
77.8 µin/in-°F
@Temperature >=289 °F
Above Tg; ISO 11359
Thermal Conductivity 0.290 W/m-K2.01 BTU-in/hr-ft²-°FAverage; ISO 22007-4
 0.320 W/m-K2.22 BTU-in/hr-ft²-°FAlong flow; ISO 22007-4
Melting Point 343 °C649 °FISO 11357
Deflection Temperature at 1.8 MPa (264 psi) 152 °C306 °FAs Molded; ISO 75-f
 160 °C
@Treatment Temp. 200 °C,
Time 14400 sec
320 °F
@Treatment Temp. 392 °F,
Time 4.00 hour
Annealed; ISO 75-f
Glass Transition Temp, Tg 143 °C289 °FOnset; ISO 11357
 150 °C302 °FMidpoint; ISO 11357
UL RTI, Electrical 260 °C500 °F
UL RTI, Mechanical with Impact 180 °C356 °F
UL RTI, Mechanical without Impact 240 °C464 °F
Glow Wire Flammability Index 960 °C
@Thickness 2.00 mm
1760 °F
@Thickness 0.0787 in
IEC 60695-2-12
 
Processing PropertiesMetricEnglishComments
Processing Temperature <= 100 °C<= 212 °FHopper Temperature
Zone 1 350 °C662 °F
Zone 2 355 °C671 °F
Zone 3 360 °C680 °F
Zone 4 365 °C689 °F
Zone 5 370 °C698 °F
Mold Temperature 170 - 200 °C338 - 392 °F
Dry Time 3.00 - 5.00 hour
@Temperature 120 - 150 °C
3.00 - 5.00 hour
@Temperature 248 - 302 °F
 
Descriptive Properties
Gate>1 mm or 0.5 x part thickness
Runner>3.5mmmanifold
 >3mm Die/nozzle

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PVICT1 / 71825

Specialty Compounds RTP Company

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