Westlake HIPS

Category: PS (HIPS) , High Impact Polystyrene
Manufacturer: Westlake Plastics Company
Trademark: Westlake
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: aNrkMt_Westlake-HIPS.pdf
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Message
HIPS is a low cost plastic material that is easy to machine and fabricate. HIPS is often specified for low strength structural applications when impact resistance, machinability, and low cost are required. It is frequently used machining pre-production prototypes since it has excellent dimensional stability and is easy to fabricate, paint and glue. Natural (translucent white) HIPS is FDA compliant for use in food processing applications.

Applications Include:
  • Machined prototypes
  • Low-strength structural components
  • Housings
  • Covers

Advantages of HIPS:
  • Good impact resistance
  • Excellent machinability
  • Good dimensional stability
  • Excellent aesthetic qualities
  • Easy to paint and glue
  • Low cost
  • FDA compliant
General Information
Features
  • Food Contact Acceptable
  • Good Dimensional Stability
  • High Impact Resistance
  • Machinable
  • Paintable
Uses
  • Housings
  • Structural Parts
Agency Ratings
  • FDA Unspecified Rating
Appearance
  • Colors Available
  • Translucent
  • White
Forms
  • Rod
  • Sheet
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.04g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Rockwell Hardness ASTM D785
    L-Scale 60
    R-Scale 95
MechanicalNominal ValueUnitTest Method
Tensile Modulus 1650MPaASTM D638
Tensile Strength ASTM D638
    Yield 19.3MPa
    Break 24.1MPa
Tensile Elongation (Break)52%ASTM D638
Flexural Modulus 1910MPaASTM D790
Flexural Strength (Yield)42.7MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact ASTM D256
    -18°C 64J/m
    23°C 110J/m
Gardner Impact (23°C)18.1JASTM D3029
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load ASTM D648
    0.45 MPa, Unannealed 87.2°C
    1.8 MPa, Unannealed 73.9°C
CLTE - Flow 9.0E-5cm/cm/°CASTM D696
FlammabilityNominal ValueTest Method
Flame Rating (1.47 mm)HBUL 94
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