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VICTREX® ST™ STG45

Polyetherketone Etherketone Ketone

Supplied by Victrex plc

The technical datasheet with complete property values for VICTREX® ST™ STG45 is available to members of the Prospector Plastics Database.
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Product Description
High performance thermoplastic material, unreinforced PolyEtherKetoneEtherKetoneKetone (PEKEKK), semi crystalline, depth filtered granules for injection moulding, standard flow, colour natural/beige.

Typical Application Areas:
Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Features 
  • Ductile
  • Good Chemical Resistance
  • High Heat Resistance
  • High Stiffness
  • High Strength
  • Semi Crystalline
Appearance 
  • Beige
  • Natural Color
  
Forms 
  • Granules
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
     ISO 1183
-- 2
g/cm³
  
-- 3
g/cm³
  
Molding Shrinkage
     ISO 294-4
Across Flow  4
%
  
Across Flow  5
%
  
Flow  5
%
  
Flow  4
%
  
Spiral Flow
      
39.4 mil 5
in
 Internal Method
39.4 mil 4
in
 Internal Method
0.12 in
in
  
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
  
392°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
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature (264 psi, Unannealed)
°F
 ISO 75-2/Af
Glass Transition Temperature (DSC) 6
°F
 ISO 3146
Melting Temperature (DSC)
°F
 ISO 3146
CLTE
     ISO 11359-2
Flow  7
in/in/°F
  
Flow  8
in/in/°F
  
Transverse  7
in/in/°F
  
Transverse  8
in/in/°F
  
Thermal Conductivity (73°F)
Btu·in/hr/ft²/°F
 Internal Method
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity (73°F)
ohm·cm
 IEC 60093
Dielectric Constant (73°F, 1 kHz)
 
 IEC 60250
Dissipation Factor (73°F, 1 MHz)
 
 IEC 60250
Comparative Tracking Index 9
V
 IEC 60112
Electric Strength (0.0984 in)
V/mil
 IEC 60243-1
Fill Analysis
Nominal Value
Unit
Test Method
Melt Viscosity (788°F)
mPa·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® ST™ STG45, VICTREX ST STG45, VICTREX® ST™ , VICTREX ST, VICTREXSTSTG45, VICTREXST, STG 45, STG45, Polyetherketone Etherketone Ketone, PEKEKK, Polyaryletherketone, PAEK, Victrex, PolyetherketoneEtherketoneKetone, 45STG
Features
Features may also be described by the following terms: High Stiffness, High Strength, Good Chemical Resistance, Chemical Resistant, Semi-Crystalline, High Heat Resistance.
Injection
Nominal Value
Unit
 
Drying Temperature
      
A
°F
  
B
°F
  
Drying Time
      
A
hr
  
B
hr
  
Hopper Temperature
°F
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Mold Temperature
°F
  
Mold Temperature - Maximum
°F
  
Injection Notes
Gate: >1mm or 0.5 x part thickness
Notes
1Typical properties: these are not to be construed as specifications.
2Amorphous
3Crystalline
4395°C nozzle, 200°C tool
5415°C nozzle, 220°C tool
6Onset
7Below Tg
8Above Tg
9Result based on 450G
 
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.