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STYRON™ 685D NB

General Purpose Polystyrene Resin

Supplied by Styron LLC

The technical datasheet with complete property values for STYRON™ 685D NB is available to members of the Prospector Plastics Database.
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Product Description
STYRON™ 685D NB is a general purpose polystyrene resin with high heat resistance, strength and high stiffness. It is recommended for applications where tensile and melt strength as well as heat resistant properties are important.

Main Characteristics
  • High heat


Applications
  • Media enclosures
  • Refrigerator accessories
  • Oriented polystyrene sheets

Complies with
  • CAN. HPB NO OBJECTION (WITH LIMITATIONS)
  • U.S. FDA 21 CFR 177.1640
  • CSA (Canada Standards Association)
  • Consuslt Regulations for details.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
Additive 
  • Flame Retardant
Agency Ratings 
  •  1
  •  1
  •  1
Forms 
  • Pellets
Processing Method 
  • 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 Strength
     ASTM D638
Yield, Compression Molded
psi
  
Yield, Injection Molded
psi
  
Break, Compression Molded
psi
  
Break, Injection Molded
psi
  
Tensile Elongation
     ASTM D638
Break, Compression Molded
%
  
Break, Injection Molded
%
  
Flexural Modulus
     ASTM D790
Compression Molded
psi
  
Injection Molded
psi
  
Flexural Strength
     ASTM D790
Compression Molded
psi
  
Injection Molded
psi
  
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
     ASTM D256
73°F, Compression Molded
ft·lb/in
  
73°F, Injection Molded
ft·lb/in
  
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     ASTM D648
264 psi, Unannealed
°F
  
264 psi, Annealed
°F
  
Vicat Softening Temperature
°F
 ASTM D1525
CLTE - Flow
in/in/°F
 ASTM D696
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL 3 (0.0591 in)
 
 UL 94
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: STYRON™ 685D NB, STYRON 685D NB, STYRON™ , STYRON, STYRON685DNB, 685 D NB, 685D NB, 685D, DNB, 685DNB, PS, Polystyrene, General Purpose, Polystyrene General Purpose, PS (GPPS), PS GPPS, Polystyrene, PolystyreneGeneralPurpose, PSGPPS, D685
Agency Ratings
This plastic material has 3 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): CSA (1), HPFB (Canada) (1), FDA (1).
Notes
1Consult Regulations for details.
2Typical properties: these are not to be construed as specifications.
3This 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.