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Victrex® PEEK 381G Medium Viscosity

Category Polymer , Thermoplastic , Polyketone , Polyetheretherketone (PEEK) , Polyetheretherketone, PEEK, Unreinforced
Manufacturer Victrex
Trade Name PEEK
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Victrex® PEEK 381G Medium Viscosity.pdf
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Material Notes:
Product Description: 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.
Physical Properties Metric English Comments
Density 1.30 g/cc
0.0470 lb/in³
ASTM 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 0.010 cm/cm
0.010 in/in
370°C nozzle, 170°C tool; ISO 294-4
Linear Mold Shrinkage, Transverse 0.013 cm/cm
0.013 in/in
370°C nozzle, 170°C tool; ISO 294-4
Spiral Flow 12.0 cm

@Thickness 1.00 mm
4.72 in

@Thickness 0.0394 in
370°C nozzle, 170°C tool
Mechanical Properties Metric English Comments
Hardness, Shore D 84.5
84.5
ISO 868
Tensile Strength, Yield 98.0 MPa
14200 psi
ISO 527
Elongation at Break 45 %
45 %
ISO 527
Tensile Modulus 4.00 GPa
580 ksi
ISO 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 3.50 %,
Temperature 23.0 °C
18100 psi

@Strain 3.50 %,
Temperature 73.4 °F
ISO 178
Flexural Modulus 4.00 GPa
580 ksi
ISO 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
Thermal Properties Metric English Comments
CTE, linear 55.0 µm/m-°C

@Temperature <=143 °C
30.6 µin/in-°F

@Temperature <=289 °F
Average below Tg; ISO 11359
140 µm/m-°C

@Temperature >=143 °C
77.8 µin/in-°F

@Temperature >=289 °F
ISO 11359
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
Thermal Conductivity 0.290 W/m-K
2.01 BTU-in/hr-ft²-°F
Average; ISO 22007-4
0.320 W/m-K
2.22 BTU-in/hr-ft²-°F
Along flow; ISO 22007-4
Melting Point 343 °C
649 °F
ISO 11357
Deflection Temperature at 1.8 MPa (264 psi) 152 °C
306 °F
ISO 75-f
160 °C

@Temperature 200 °C,
Time 14400 sec
320 °F

@Temperature 392 °F,
Time 4.00 hour
ISO 75-f
Glass Transition Temp, Tg 143 °C
289 °F
Onset; ISO 11357
150 °C
302 °F
Midpoint; ISO 11357
UL RTI, Electrical 260 °C
500 °F
UL RTI, Mechanical with Impact 180 °C
356 °F
UL RTI, Mechanical without Impact 240 °C
464 °F
Oxygen Index 24 %

@Thickness 0.400 mm
24 %

@Thickness 0.0157 in
ISO 4589
35 %

@Thickness 3.20 mm
35 %

@Thickness 0.126 in
ISO 4589
Glow Wire Test 960 °C

@Thickness 2.00 mm
1760 °F

@Thickness 0.0787 in
IEC 60695-2-12
Electrical Properties Metric English Comments
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 50.0 Hz,
Temperature 200 °C
4.5

@Frequency 50.0 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 V
150 V
ISO 60112
Processing Properties Metric English Comments
Processing Temperature <= 100 °C
<= 212 °F
Hopper Temperature
Nozzle Temperature 370 °C
698 °F
Mold Temperature 170 - 200 °C
338 - 392 °F
Dry Time 2.00 hour

@Temperature 120 °C
2.00 hour

@Temperature 248 °F
3.00 hour

@Temperature 150 °C
3.00 hour

@Temperature 302 °F
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