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API PS 390 Data Sheet

General Purpose Polystyrene

Supplied by American Polymers, Inc.

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Product Description
API 390 is a general purpose polystyrene produced in pellet form for injection molding. API 390 has excellent clarity and easy flow.

Application: Used in the manufacture of toys, containers, housewares, cosmetic containers, and medical applications.
General  
Material Status 
  • Commercial: Discontinued
Availability 
  • North America
Features 
  • General Purpose
  • Good Flow
  • High Clarity
Uses 
  • Containers
  • Cosmetic Packaging
  • Household Goods
  • Medical/Healthcare Applications
  • Toys
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
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
ASTM D638
Tensile Strength (Break)
psi
ASTM D638
Tensile Elongation (Break)
%
ASTM D638
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (0.125 in, 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 (264 psi, Annealed)
°F
ASTM D648
Vicat Softening Temperature
°F
ASTM D1525
Features
Features may also be described by the following terms: High Clarity, Good Flow.
Uses
Uses may also be described by the following terms: Household Goods, Housewares, Medical Applications, Cosmetic Packaging.
Available Documents
Processing (English)
Technical Datasheet (English)
Injection
Nominal Value
Unit
 
Drying Temperature
°F
 
Drying Time
hr
 
Suggested Max Regrind
%
 
Rear Temperature
°F
 
Front Temperature
°F
 
Mold Temperature
°F
 
Injection Pressure
psi
 
Back Pressure
psi
 
Notes
1Typical properties: these are not to be construed as specifications.
 
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.