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- Victrex® PEEK 381G Medium Viscosity
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  |
| Price | EMAIL US sales@lookpolymers.com |
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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