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Zyntar® 351

Ignition Resistant Polystyrene

Supplied by PMC Group Polymer Products

The technical datasheet with complete property values for Zyntar® 351 is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Additive 
  • Flame Retardant
Features 
  • Good Impact Resistance
  • Ignition Resistant
  
Uses 
  • Electrical/Electronic Applications
  • Structural Foam
  
Agency Ratings 
 
Appearance 
  • Colors Available
  • Natural Color
  
Forms 
  • Pellets
Processing Method 
  • Compression Molding
  • 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 (0.125 in)
in/in
 ASTM D955
Mechanical
Nominal Value
Unit
Test Method
Tensile Strength 2 (Yield, 0.125 in)
psi
 ASTM D638
Tensile Elongation 2 (Break, 0.125 in)
%
 ASTM D638
Flexural Modulus 3 (0.125 in)
psi
 ASTM D790
Flexural Strength 3 (Break, 0.125 in)
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (0.125 in)
ft·lb/in
 ASTM D256
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Unannealed, 0.125 in)
°F
 ASTM D648
Vicat Softening Temperature
°F
 ASTM D1525 4
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0625 in
 
  
0.135 in
 
  
UL
Nominal Value
Unit
Test Method
RTI Str (0.0625 in)
°F
 UL 746
RTI Imp (0.0625 in)
°F
 UL 746
RTI Elec (0.0625 in)
°F
 UL 746
Additional Information
Color Stability, ASTM D4459, delta E @ 300 hrs: >10
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Zyntar® 351, Zyntar 351, Zyntar® , Zyntar, Zyntar351, 351, PS, Polystyrene, Ignition Resistant, Polystyrene Ignition Resistant, PS (IRPS), PS IRPS, Polystyrene, PMC Group, PolystyreneIgnitionResistant, PSIRPS
Features
Features may also be described by the following terms: Good Impact Resistance.
Uses
Uses may also be described by the following terms: Structural Foam, Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector.
Agency Ratings
This plastic material has 2 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): CSA (2).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Suggested Max Regrind
%
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Pressure
psi
  
Injection Rate
 
  
Holding Pressure
psi
  
Back Pressure
psi
  
Screw Speed
rpm
  
Screw L/D Ratio
 
  
Screw Compression Ratio
 
  
Injection Notes
Cushion: 0.125 in
Notes
1Typical properties: these are not to be construed as specifications.
22.0 in/min
30.10 in/min
4Rate B (120°C/h)
 
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.