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STYRON™ 685D-AMST

General Purpose Polystyrene

Supplied by Americas Styrenics LLC

The technical datasheet with complete property values for STYRON™ 685D-AMST is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • North America
  • South America
  
Features 
  • Food Contact Acceptable
  • Good Melt Strength
  • High Heat Resistance
  • High Stiffness
  • High Tensile Strength
Uses 
  • Foam
  • Medical/Healthcare Applications
  • Sheet
Agency Ratings 
 
Appearance 
  • Clear - Blue Tint
Forms 
  • Pellets
Processing Method 
  • Extrusion
  • Injection Molding
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)
g/10 min
 ASTM D1238
Molding Shrinkage - Flow
in/in
 ASTM D955
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (Injection Molded)
psi
 ASTM D638
Tensile Strength
     ASTM D638
Break, Injection Molded
psi
  
Injection Molded
psi
  
Tensile Elongation (Break, Injection Molded)
%
 ASTM D638
Flexural Modulus (Injection Molded)
psi
 ASTM D790
Flexural Strength (Injection Molded)
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (73°F, Injection Molded)
ft·lb/in
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (L-Scale)
 
 ASTM D785
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     ASTM D648
66 psi, Unannealed
°F
  
264 psi, Unannealed
°F
  
Vicat Softening Temperature
°F
 ASTM D1525
CLTE - Flow
in/in/°F
 ASTM D696
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
 
 UL 94
UL File Number
 
  
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: STYRON™ 685D-AMST, STYRON 685DAMST, STYRON™ , STYRON, STYRON685DAMST, 685 D, 685 D AMST, 685D-AMST, 685DAMST, 685D:AMST, 685D/AMST, 685D+AMST, 685D_AMST, 685D AMST, 685D, DAMST, PS, Polystyrene, General Purpose, Polystyrene General Purpose, PS (GPPS), PS GPPS, Polystyrene, Americas Styrenics, PolystyreneGeneralPurpose, PSGPPS, D685
Features
Features may also be described by the following terms: High Heat Resistance, High Tensile Strength, Good Melt Strength, High Stiffness.
Uses
Uses may also be described by the following terms: Medical Applications.
Agency Ratings
This plastic material has 2 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): FDA (1), USP (1).
Injection
Nominal Value
Unit
 
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Mold Temperature
°F
  
Injection Rate
 
  
Back Pressure
psi
  
Cushion
in
  
Extrusion
Nominal Value
Unit
 
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
  
Adapter Temperature
°F
  
Melt Temperature
°F
  
Die Temperature
°F
  
Extrusion Notes
Zone 6 Temperature: 204 to 221°C
Melt Pump, Pipes, Screen Changer Temperature: 193 to 232°C
Polish Rolls Temperature: 66 to 104°C
Head Pressure: 10 to 21 MPa
Notes
1Typical properties: these are not to be construed as specifications.
 
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.