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STYRON™ 660

General Purpose Polystyrene Resin

Supplied by Styron LLC

The technical datasheet with complete property values for STYRON™ 660 is available to members of the Prospector Plastics Database.
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Product Description
STYRON 660 is a general-purpose polystyrene designed for both molding and extrusion applications. The balance between heat resistance, toughness and flow is exceptional.

Applications:
  • Foam extrusion
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
Appearance 
  • Clear/Transparent
Forms 
  • Pellets
Processing Method 
  • Blow Molding
  • Extrusion
  • Foam Processing
  • Injection Molding
  • Sheet Extrusion
  • Thermoforming
Physical
Nominal Value
Unit
Test Method
Density
      
--
g/cm³
 ISO 1183
--
lb/in³
 ISO 1183 2
Apparent Density
g/cm³
 ISO 60
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)
g/10 min
 ISO 1133
Melt volume-flow rate (200°C/5.0 kg)
in³/10min
 ISO 1133 2
Water Absorption
     ISO 62 2
Saturation
%
  
Equilibrium
%
  
Viscosity number
cm³/g
 ISO 307, 1157, 1628 2
Mechanical
Nominal Value
Unit
Test Method
Tensile modulus
psi
 ISO 527-2 2
Tensile Stress
      
Yield
psi
 ISO 527-2/5
Yield
psi
 ISO 527-2 2
Tensile Strain
      
Yield
%
 ISO 527-2 2
Break
%
 ISO 527-2/5
Nominal strain at break
%
 ISO 527-2 2
Flexural Modulus
psi
 ISO 178
Flexural Strength
psi
 ISO 178
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (R-Scale)
 
 ISO 2039-2
Ball Indentation Hardness
psi
 ISO 2039-1
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature
      
66 psi, Annealed
°F
 ISO 75-2/B
66 psi
°F
 ISO 75-2 2
264 psi, Annealed
°F
 ISO 75-2/A
264 psi
°F
 ISO 75-2 2
Vicat Softening Temperature
      
--
°F
 ISO 306/A120
--
°F
 ISO 306/B50
50°C/h, B (50N)
°F
 ISO 306 2
CLTE
     ISO 11359-2 2
Flow
in/in/°F
  
Transverse
in/in/°F
  
Electrical
Nominal Value
Unit
Test Method
Surface resistivity
ohm
 IEC 60093 2
Volume resistivity
ohm·in
 IEC 60093 2
Dielectric Constant
      
1 MHz
 
 ASTM D150, IEC 60250 2
100 Hz
 
 IEC 60250 2
Dissipation Factor
      
1 MHz
 
 ASTM D150, IEC 60250 2
100 Hz
 
 IEC 60250 2
Electric strength
V/mil
 IEC 60243-1 2
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: STYRON™ 660, STYRON 660, STYRON™ , STYRON, STYRON660, 660, PS, Polystyrene, General Purpose, Polystyrene General Purpose, PS (GPPS), PS GPPS, Polystyrene, PolystyreneGeneralPurpose, PSGPPS
Notes
1Typical properties: these are not to be construed as specifications.
2Tested in accordance with ISO 10350. 23°C/50%r.h. unless otherwise noted.
 
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.