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Ensinger PEI

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I. Stern N1921 General Purpose Crystal Polystyrene  (discontinued **)
Categories: Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Transparent Grade

Material Notes: Features:
  • Excellent Processability
  • Easy Flow

Applications

  • Disposable Packaging
  • Housewares
  • Cosmetics Packaging

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 20 g/10 minASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Yield 5370 psiASTM D638
Elongation at Break 1.3 %ASTM D638
Flexural Strength 13000 psiASTM D790
Flexural Modulus 464000 psiASTM D790
Izod Impact, Notched 0.150 ft-lb/inASTM D256
 
Thermal PropertiesOriginal ValueComments
Deflection Temperature at 1.8 MPa (264 psi) 163 °FISO
Vicat Softening Point 181 °FISO
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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