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Victrex® ST™ STG45 PolyEtherKetoneEtherKetoneKetone, Unreinforced

Category Polymer , Thermoplastic , Polyketone , Polyetherketoneetherketoneketone (PEKEKK), Wear Resistant
Manufacturer Victrex
Trade Name ST™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Victrex® ST™ STG45 PolyEtherKetoneEtherKetoneKetone, Unreinforced.pdf
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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®
Physical Properties Metric English Comments
Density 1.30 g/cc
0.0470 lb/in³
Crystalline; ISO 1183
Water Absorption at Saturation 0.95 %

@Temperature 100 °C
0.95 %

@Temperature 212 °F
by immersion; ISO 62-1
Viscosity 225000 cP

@Temperature 420 °C
225000 cP

@Temperature 788 °F
melt; ISO 11443
Linear Mold Shrinkage, Flow 0.011 cm/cm
0.011 in/in
360°C nozzle, 160°C tool; ISO 294-4
0.014 cm/cm
0.014 in/in
360°C nozzle, 160°C tool; ISO 294-4
Linear Mold Shrinkage, Transverse 0.012 cm/cm
0.012 in/in
395°C nozzle, 200°C tool; ISO 294-4
0.016 cm/cm
0.016 in/in
415°C nozzle, 220°C tool; ISO 294-4
Spiral Flow 16.0 cm

@Thickness 1.00 mm
6.30 in

@Thickness 0.0394 in
395°C nozzle, 200°C tool
19.0 cm

@Thickness 1.00 mm
7.48 in

@Thickness 0.0394 in
415°C nozzle, 220°C tool
68.0 cm

@Thickness 76.2 mm
26.8 in

@Thickness 3.00 in
395°C nozzle, 200°C tool
Mechanical Properties Metric English Comments
Hardness, Shore D 84.5
84.5
ISO 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 3.50 %
18900 psi

@Strain 3.50 %
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
Thermal Properties Metric English Comments
CTE, linear 55.0 µm/m-°C

@Temperature <=162 °C
30.6 µin/in-°F

@Temperature <=324 °F
Average below Tg; ISO 11359
125 µm/m-°C

@Temperature >=162 °C
69.4 µin/in-°F

@Temperature >=324 °F
Average above Tg; ISO 11359
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
Thermal Conductivity 0.320 W/m-K
2.22 BTU-in/hr-ft²-°F
Along 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 °C
729 °F
ISO 11357
Deflection Temperature at 1.8 MPa (264 psi) 172 °C
342 °F
ISO 75-f
Glass Transition Temp, Tg 162 °C
324 °F
Onset; ISO 11357
169 °C
336 °F
Midpoint; ISO 11357
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+16 ohm-cm
1.00e+16 ohm-cm
IEC 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 1.00e+6 Hz,
Temperature 23.0 °C
0.0040

@Frequency 1.00e+6 Hz,
Temperature 73.4 °F
IEC 60250
Comparative Tracking Index 150 V
150 V
IEC 60112
Processing Properties Metric English Comments
Mold Temperature 200 - 220 °C
392 - 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
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