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STYRON™ 686E

General Purpose Polystyrene Resin

Supplied by Styron LLC

The technical datasheet with complete property values for STYRON™ 686E is available to members of the Prospector Plastics Database.
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Product Description
STYRON™ 686E is a general purpose polystyrene resin designed for both moulding and extrusion applications.The balance between heat resistance, toughness and flow is exceptional.It also has good dimensional stability and excellent clarity.

Applications:
  • Foamed PS sheets used for packaging, e.g. egg trays
  • Thin-wall food packages
  • Medium and heavy section applications in the injection moulding field

Complies with:
  • Europe REGULATION (EC) 10/2011
  • U.S. FDA 21 CFR 177.1640
  • Consult regulations for details.
General  
Material Status 
  • Commercial: Active
Availability 
  • Europe
Agency Ratings 
 
Appearance 
  • Clear/Transparent
Forms 
  • Pellets
Processing Method 
  • Blow Molding
  • Extrusion
  • Injection Molding
  • Sheet Extrusion
  • Thermoforming
Physical
Nominal Value
Unit
Test Method
Specific Gravity
      
--
 
 ASTM D792
--
g/cm³
 ISO 1183
--
lb/in³
 ISO 1183 2
Apparent Density
g/cm³
 ASTM D1895, ISO 60
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)
g/10 min
 ASTM D1238, 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 Strength 3 (Yield)
psi
 ASTM D638, ISO 527-2/5, ISO 527-2 2
Tensile Strain
      
Yield
%
 ISO 527-2 2
Break 4, 3
%
 ASTM D638
Break
%
 ISO 527-2/5
Nominal strain at break
%
 ISO 527-2 2
Flexural Modulus
      
-- 5, 3
psi
 ASTM D790
--
psi
 ISO 178
Flexural Strength
psi
 ISO 178
Impact
Nominal Value
Unit
Test Method
Tensile notched impact strength (73°F)
ft·lb/in²
 ISO 8256/1 2
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
Deflection Temperature Under Load
      
66 psi, Annealed
°F
 ASTM D648, ISO 75-2/B
66 psi
°F
 ISO 75-2 2
264 psi, Annealed
°F
 ASTM D648, ISO 75-2/A
264 psi
°F
 ISO 75-2 2
Vicat Softening Temperature
      
--
°F
 ASTM D1525 6, ISO 306/B50 6
--
°F
 ASTM D1525 7, ISO 306/A120 7
50°C/h, B (50N)
°F
 ISO 306 2
CLTE
      
Flow
in/in/°F
 DIN 53752, ISO 11359-2 2
Transverse
in/in/°F
 ISO 11359-2 2
Thermal Conductivity
Btu·in/hr/ft²/°F
 DIN 52612
Electrical
Nominal Value
Unit
Test Method
Surface resistivity
ohm
 IEC 60093 2
Volume resistivity
ohm·in
 IEC 60093 2
Dielectric Strength
V/mil
 DIN 53481 2, IEC 60243-1 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
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL 8 (0.0630 in)
 
 UL 94
Burning Behav. at 1.6mm nom. thickn. (0.06 in, UL)
 
 ISO 1210 2
Additional Information
Compression moulded specimens.
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: STYRON™ 686E, STYRON 686E, STYRON™ , STYRON, STYRON686E, 686 E, 686E, PS, Polystyrene, General Purpose, Polystyrene General Purpose, PS (GPPS), PS GPPS, Polystyrene, PolystyreneGeneralPurpose, PSGPPS, E686
Agency Ratings
This plastic material has 2 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): EU (1), FDA (1).
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.
3Injection moulded specimens.
40.20 in/min
5Method I (3 point load)
6Rate A (50°C/h), Loading 2 (50 N)
7Rate B (120°C/h), Loading 1 (10 N)
8This rating not intended to reflect hazards presented by this or any other material under actual fire conditions.
 
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.