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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
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

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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