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VICTREX ST™ STG45 PolyEtherKetoneEtherKetoneKetone, Unreinforced
Categories: Polymer; Thermoplastic; Polyketone; Polyetherketoneetherketoneketone (PEKEKK), Wear Resistant
Material Notes: Product Description:

High performance thermoplastic material, unreinforced PolyEtherKetoneEtherKetoneKetone (PEKEKK), semi crystalline, depth filtered granules for injection moulding, standard flow, color natural/beige.

Typical Application Areas:

Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments.

Information Provided by Victrex.
Key Words: PEKEKK
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/in³Crystalline; ISO 1183
Water Absorption at Saturation 0.95 %
@Temperature 100 °C		0.95 %
@Temperature 212 °F		ISO 62-1
Viscosity 225000 cP
@Temperature 420 °C		225000 cP
@Temperature 788 °F		melt; ISO 11443
Linear Mold Shrinkage, Flow 0.011 cm/cm0.011 in/in395°C nozzle, 200°C tool; ISO 294-4
 0.014 cm/cm0.014 in/in415°C nozzle, 220°C tool; ISO 294-4
Linear Mold Shrinkage, Transverse 0.012 cm/cm0.012 in/in395°C nozzle, 200°C tool; ISO 294-4
 0.016 cm/cm0.016 in/in415°C nozzle, 220°C tool; ISO 294-4
Spiral Flow  16.0 cm
@Thickness 1.00 mm		6.30 in
@Thickness 0.0394 in		Mold Temp: 200°C, Melt Temp: 395°C
 19.0 cm
@Thickness 1.00 mm		7.48 in
@Thickness 0.0394 in		Mold Temp: 220°C, Melt Temp: 415°C
 68.0 cm
@Thickness 76.2 mm		26.8 in
@Thickness 3.00 in		Mold Temp: 200°C, Melt Temp: 395°C
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 84.584.5ISO 868
Tensile Strength, Yield 115 MPa
@Temperature 23.0 °C		16700 psi
@Temperature 73.4 °F		ISO 527
Elongation at Break 25 %
@Temperature 23.0 °C		25 %
@Temperature 73.4 °F		ISO 527
Tensile Modulus 4.20 GPa
@Temperature 23.0 °C		609 ksi
@Temperature 73.4 °F		ISO 527
Flexural Strength  20.0 MPa
@Temperature 275 °C		2900 psi
@Temperature 527 °F		ISO 178
 35.0 MPa
@Temperature 175 °C		5080 psi
@Temperature 347 °F		ISO 178
 110 MPa
@Temperature 125 °C		16000 psi
@Temperature 257 °F		ISO 178
 190 MPa
@Temperature 23.0 °C		27600 psi
@Temperature 73.4 °F		ISO 178
 130 MPa
@Strain 3.5 %		18900 psi
@Strain 3.5 %		ISO 178
Flexural Modulus 4.00 GPa
@Temperature 23.0 °C		580 ksi
@Temperature 73.4 °F		ISO 178
Compressive Strength  35.0 MPa
@Temperature 200 °C		5080 psi
@Temperature 392 °F		ISO 604
 90.0 MPa
@Temperature 120 °C		13100 psi
@Temperature 248 °F		ISO 604
 145 MPa
@Temperature 23.0 °C		21000 psi
@Temperature 73.4 °F		ISO 604
Izod Impact, Notched (ISO) 6.00 kJ/m²
@Temperature 23.0 °C		2.86 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 179/1U
Charpy Impact, Notched 0.400 J/cm²
@Temperature 23.0 °C		1.90 ft-lb/in²
@Temperature 73.4 °F		ISO 179/1eA
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmIEC 60093
Dielectric Constant 3.0
@Frequency 1000 Hz,
Temperature 23.0 °C		3.0
@Frequency 1000 Hz,
Temperature 73.4 °F		IEC 60250
Dielectric Strength 23.0 kV/mm
@Thickness 2.00 mm		584 kV/in
@Thickness 0.0787 in		IEC 60243-1
Dissipation Factor 0.0040
@Frequency 1e+6 Hz,
Temperature 23.0 °C		0.0040
@Frequency 1e+6 Hz,
Temperature 73.4 °F		IEC 60250
Comparative Tracking Index 150 V150 VIEC 60112
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow  45.0 µm/m-°C
@Temperature <=162 °C		25.0 µin/in-°F
@Temperature <=324 °F		Below Tg; ISO 11359
 105 µm/m-°C
@Temperature >=162 °C		58.3 µin/in-°F
@Temperature >=324 °F		Above Tg; ISO 11359
CTE, linear, Transverse to Flow  55.0 µm/m-°C
@Temperature <=162 °C		30.6 µin/in-°F
@Temperature <=324 °F		Below Tg; ISO 11359
 125 µm/m-°C
@Temperature >=162 °C		69.4 µin/in-°F
@Temperature >=324 °F		Above Tg; ISO 11359
Thermal Conductivity 0.320 W/m-K2.22 BTU-in/hr-ft²-°FAlong flow; ISO 22007-4
 0.290 W/m-K
@Temperature 23.0 °C		2.01 BTU-in/hr-ft²-°F
@Temperature 73.4 °F		Average; ISO 22007-4
Melting Point 387 °C729 °FISO 11357
Deflection Temperature at 1.8 MPa (264 psi) 172 °C342 °FISO 75-f
Glass Transition Temp, Tg 162 °C324 °FOnset; ISO 11357
 169 °C336 °FMidpoint; ISO 11357
 
Processing PropertiesMetricEnglishComments
Mold Temperature 200 - 220 °C392 - 428 °F
Drying Temperature  150 °C
@Time 21600 sec		302 °F
@Time 6.00 hour
 180 °C
@Time 10800 sec		356 °F
@Time 3.00 hour
 
Descriptive Properties
Gate>1 mm or 0.5 x part thickness
Runner>3.5mmmanifold
 >3mm Die/nozzle

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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