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VICTREX® PEEK 381G

Polyetheretherketone

Supplied by Victrex plc

The technical datasheet with complete property values for VICTREX® PEEK 381G is available to members of the Prospector Plastics Database.
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Product Description
High performance thermoplastic material, unreinforced PolyEtherEtherKetone (PEEK), semi crystalline, depth filtered granules for specialty extrusion processes, standard flow, FDA food contact compliant, colour natural/beige.

Wire coating, extrusion of filaments, minitubes, films. Chemically resistant to aggressive environments, suitable for sterilization for medical and food contact applications.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
Features 
  • Food Contact Acceptable
  • Good Chemical Resistance
  • Good Flow
  • Good Sterilizability
  • Semi Crystalline
Uses 
  • Coating Applications
  • Filaments
  • Film
  • Medical/Healthcare Applications
  • Non-specific Food Applications
  • Tubing
Agency Ratings 
Appearance 
  • Beige
  • Natural Color
 
Forms 
  • Granules
Processing Method 
  • Coating
  • Extrusion
  • Filament Extrusion
  • Film Extrusion
 
Physical
Nominal Value
Unit
Test Method
Density
    ISO 1183
-- 2
g/cm³
 
-- 3
g/cm³
 
Molding Shrinkage 4
    ISO 294-4
Across Flow: 338°F
%
 
Flow: 338°F
%
 
Water Absorption
    ISO 62
73°F, 24 hr, 0.126 in
%
 
Equilibrium, 73°F, 0.126 in, 50% RH
%
 
Spiral Flow 4 (338°F, 39.4 mil)
in
Internal Method
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
psi
ISO 527-2
Tensile Stress (Yield, 73°F)
psi
ISO 527-2
Tensile Strain (Break, 73°F)
%
ISO 527-2
Flexural Modulus (73°F)
psi
ISO 178
Flexural Strength
    ISO 178
527°F
psi
 
347°F
psi
 
257°F
psi
 
73°F
psi
 
Compressive Stress
    ISO 604
73°F
psi
 
248°F
psi
 
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength (73°F)
ft·lb/in²
ISO 179/1eA
Notched Izod Impact Strength (73°F)
ft·lb/in²
ISO 180/A
Unnotched Izod Impact Strength (73°F)
 
ISO 180
Hardness
Nominal Value
Unit
Test Method
Shore Hardness (Shore D, 73°F)
 
ISO 868
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature (264 psi, Unannealed)
°F
ISO 75-2/A
Glass Transition Temperature
°F
ISO 11357-2
Melting Temperature
°F
ISO 11357-3
CLTE
    ISO 11359-2
Flow: < 289°F
in/in/°F
 
Flow: > 289°F
in/in/°F
 
Transverse: < 289°F
in/in/°F
 
Transverse: > 289°F
in/in/°F
 
Thermal Conductivity (73°F)
Btu·in/hr/ft²/°F
Internal Method
Specific Heat Capacity (73°F)
Btu/lb/°F
DSC
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
    IEC 60093
73°F
ohm·cm
 
257°F
ohm·cm
 
527°F
ohm·cm
 
Dielectric Constant
    IEC 60250
73°F, 50 Hz
 
 
392°F, 50 Hz
 
 
Dissipation Factor (73°F, 1 MHz)
 
IEC 60250
Comparative Tracking Index
V
IEC 60112
Electric Strength
    IEC 60243-1
0.00197 in
V/mil
 
0.0984 in
V/mil
 
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0591 in)
 
UL 94
Glow Wire Flammability Index (0.0787 in)
°F
IEC 60695-2-12
Oxygen Index
    ISO 4589-2
-- 5
%
 
-- 6
%
 
Toxicity
    NES 713
CO content
 
 
CO2 content
 
 
Total gases
 
 
UL
Nominal Value
Unit
Test Method
RTI Str
°F
UL 746
RTI Imp
°F
UL 746
RTI Elec
°F
UL 746
Fill Analysis
Nominal Value
Unit
Test Method
Melt Viscosity (752°F)
Pa·s
ISO 11443
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: VICTREX® PEEK 381G, VICTREX PEEK 381G, VICTREX® PEEK , VICTREX PEEK, VICTREXPEEK381G, VICTREXPEEK, PEEK 381 G, PEEK381G, PEEK381, PEEK, 381 G, 381G, Polyetheretherketone, Polyaryletherketone, PAEK, Victrex, G381, 381PEEK
Features
Features may also be described by the following terms: Good Starilizability, Sterilizable, Good Chemical Resistance, Chemical Resistant, Good Flow, Semi-Crystalline.
Uses
Uses may also be described by the following terms: Food Applications, Medical Applications, Tubing, Tube.
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): FDA (1).
Extrusion
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Hopper Temperature
°F
 
Cylinder Zone 1 Temp.
°F
 
Cylinder Zone 2 Temp.
°F
 
Cylinder Zone 3 Temp.
°F
 
Cylinder Zone 4 Temp.
°F
 
Cylinder Zone 5 Temp.
°F
 
Extrusion Notes
Mould Temperature: 170°C to 200°C (max 250°C)
Runner: Die / nozzle >3mm, manifold >3.5mm
Gate: >1mm or 0.5 x part thickness
Notes
1Typical properties: these are not to be construed as specifications.
2Amorphous
3Crystalline
4370°C nozzle
50.4 mm
63.2 mm
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.