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Ensinger PEI

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I. Stern 870E High Impact Polystyrene Extrusion Grade  (discontinued **)
Categories: Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Extrusion Grade

Material Notes: Features:
  • Good processing characteristics
  • Excellent toughness and environmental stress cracking

Applications

  • Thermoformed containers and lids for food packaging
  • Custom extruded sheet
  • profiles

Agency Ratings

  • FDA Title 21 CFR 177.1640
  • UL File E220962

Information provided by I. Stern & Co. Inc.

I. Stern & Co. Inc. has been acquired by Ravago.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Melt Flow 4.0 g/10 minASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 3046 psiASTM D638
Elongation at Break 50 %ASTM D638
Flexural Strength 5200 psiASTM D790
Flexural Modulus 254000 psiASTM D790
Izod Impact, Notched 2.00 ft-lb/inASTM D256
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 1.8 MPa (264 psi) 185 °FASTM D648
Vicat Softening Point 210 °FASTM D1525
Flammability, UL94 HB
@Thickness 1.50 mm
 HB
@Thickness 3.00 mm
 
Compliance PropertiesOriginal ValueComments
FDA YesSee notes for details.

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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