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Westlake Plastics HIPS High Impact Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS)
Manufacturer Westlake Plastics
Trade Name HIPS
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Westlake Plastics HIPS High Impact Polystyrene.pdf
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Material Notes:
HIPS is a low cost plastic material that is easy to machine and fabricate. It is often specified for low strength structural applications when impact resistance, machinability, and low cost are required. It is frequently used machining preproduction prototypes since it has excellent dimensional stability and is easy to fabricate. HIPS is FDA compliant for use in food processing applications. Information provided by Westlake Plastics.
Physical Properties Metric English Comments
Density 1.04 g/cc
0.0376 lb/in³
ASTM D792
Mechanical Properties Metric English Comments
Hardness, Rockwell R 95
95
ASTM D7852
Tensile Strength at Break 24.1 MPa
3500 psi
ASTM D638
Tensile Strength, Yield 19.3 MPa
2800 psi
ASTM D638
Elongation at Break 52 %
52 %
ASTM D638
Tensile Modulus 1.65 GPa
239 ksi
ASTM D638
Flexural Yield Strength 42.7 MPa
6200 psi
ASTM D790
Flexural Modulus 1.91 GPa
277 ksi
ASTM D790
Izod Impact, Notched 1.12 J/cm
2.10 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
CTE, linear 90.0 µm/m-°C

@Temperature 20.0 °C
50.0 µin/in-°F

@Temperature 68.0 °F
ASTM D696
Deflection Temperature at 0.46 MPa (66 psi) 87.2 °C
189 °F
ASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 73.9 °C
165 °F
ASTM D648
Flammability, UL94 HB

@Thickness 1.47 mm
HB

@Thickness 0.0580 in
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