VICTREX™ PEEK 381G Medium Viscosity

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VICTREX™ PEEK 381G Medium Viscosity
Categories:	Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK); Polyetheretherketone, PEEK, Unreinforced
Material Notes:	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.
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. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	1.30 g/cc	ASTM D792
Water Absorption at Saturation	0.45 % @Temperature 23.0 °C	immersion; ISO 62-1
	0.55 % @Temperature 100 °C	immersion; ISO 62-1
Viscosity	300000 cP @Temperature 400 °C	melt; ISO 11443
Linear Mold Shrinkage, Flow	0.010 cm/cm	370°C nozzle, 170°C tool; ISO 294-4
Linear Mold Shrinkage, Transverse	0.013 cm/cm	370°C nozzle, 170°C tool; ISO 294-4
Spiral Flow	12.0 cm @Thickness 1.00 mm	Mold Temp: 170°C, Melt Temp: 370°C

Mechanical Properties	Original Value	Comments
Hardness, Shore D	84.5	ISO 868
Tensile Strength, Yield	98.0 MPa	ISO 527
Elongation at Break	45 %	ISO 527
Tensile Modulus	4.00 GPa	ISO 527
Flexural Strength	12.5 MPa @Temperature 275 °C	ISO 178
	19.0 MPa @Temperature 175 °C	ISO 178
	85.0 MPa @Temperature 125 °C	ISO 178
	165 MPa @Temperature 23.0 °C	ISO 178
	125 MPa @Strain 3.5 %, Temperature 23.0 °C	ISO 178
Flexural Modulus	4.00 GPa	ISO 178
Izod Impact, Notched (ISO)	7.00 kJ/m² @Temperature 23.0 °C	ISO 180/A
Izod Impact, Unnotched (ISO)	NB @Temperature 23.0 °C	ISO 180/U
Charpy Impact Unnotched	NB @Temperature 23.0 °C	ISO 179/U
Charpy Impact, Notched	0.600 J/cm² @Temperature 23.0 °C	ISO 179/1eA
Compression Set	70 % @Temperature 120 °C	ISO 604
	125 % @Temperature 23.0 °C	ISO 604

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+9 ohm-cm @Temperature 275 °C	IEC 60093
	1.00e+15 ohm-cm @Temperature 125 °C	IEC 60093
	1.00e+16 ohm-cm @Temperature 23.0 °C	IEC 60093
Dielectric Constant	3.2 @Frequency 50000 Hz, Temperature 23.0 °C	IEC 60250
	4.5 @Frequency 50 Hz, Temperature 200 °C	IEC 60250
Dielectric Strength	23.0 kV/mm @Thickness 2.00 mm	IEC 60243-1
	190 kV/mm @Thickness 0.0500 mm	IEC 60243-1
Dissipation Factor	0.0030 @Frequency 1e+6 Hz
Comparative Tracking Index	150 V	ISO 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	45.0 µm/m-°C @Temperature <=143 °C	Below Tg; ISO 11359
	120 µm/m-°C @Temperature >=143 °C	Above Tg; ISO 11359
CTE, linear, Transverse to Flow	55.0 µm/m-°C @Temperature <=143 °C	Below Tg; ISO 11359
	140 µm/m-°C @Temperature >=143 °C	Above Tg; ISO 11359
Thermal Conductivity	0.290 W/m-K	Average; ISO 22007-4
	0.320 W/m-K	Along flow; ISO 22007-4
Melting Point	343 °C	ISO 11357
Deflection Temperature at 1.8 MPa (264 psi)	152 °C	As Molded; ISO 75-f
	160 °C @Treatment Temp. 200 °C, Time 14400 sec	Annealed; ISO 75-f
Glass Transition Temp, Tg	143 °C	Onset; ISO 11357
	150 °C	Midpoint; ISO 11357
UL RTI, Electrical	260 °C
UL RTI, Mechanical with Impact	180 °C
UL RTI, Mechanical without Impact	240 °C
Glow Wire Flammability Index	960 °C @Thickness 2.00 mm	IEC 60695-2-12

Processing Properties	Original Value	Comments
Processing Temperature	<= 100 °C	Hopper Temperature
Zone 1	350 °C
Zone 2	355 °C
Zone 3	360 °C
Zone 4	365 °C
Zone 5	370 °C
Mold Temperature	170 - 200 °C
Dry Time	3.00 - 5.00 hour @Temperature 120 - 150 °C

Descriptive Properties
Gate	>1 mm or 0.5 x part thickness
Runner	>3.5mm	manifold
	>3mm	Die/nozzle

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