I. Stern N1921

Category: PS (GPPS) , General Purpose Polystyrene
Manufacturer: I. STERN & CO. INC.
Trademark: I. Stern
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: ugWNbK_I-Stern-N1921.pdf
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Polystyrene N1921 - General Purpose Crystal Polystyrene

Features
  • Excellent Processability
  • Easy Flow
Applications
  • Disposable Packaging
  • Housewares
  • Cosmetics Packaging
General Information
Features
  • Crystal
  • General Purpose
  • Good Flow
  • Good Processability
  • High Impact Resistance
Uses
  • Cosmetic Packaging
  • General Purpose
  • Household Goods
  • Packaging
Agency Ratings
  • FDA 21 CFR 177.1640
UL File Number
  • E220962
PhysicalNominal ValueUnitTest Method
Melt Mass-Flow Rate (MFR) 20g/10 minASTM D1238
MechanicalNominal ValueUnitTest Method
Tensile Strength (Yield)37.0MPaASTM D638
Tensile Elongation (Break)1.3%ASTM D638
Flexural Modulus 3200MPaASTM D790
Flexural Strength (Yield)89.6MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact 8.0J/mASTM D256
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature (1.8 MPa, Unannealed)72.8°CISO 75-2/A
Vicat Softening Temperature 82.8°CISO 306
FlammabilityNominal ValueTest Method
Flame Rating UL 94
    1.50 mm HB
    3.00 mm HB
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