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HIPS vs. PP Homopolymer

Both HIPS and PP homopolymer are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is HIPS and the bottom bar is PP homopolymer.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 40
3.0 to 80
Flexural Strength, MPa 62
41 to 100
Impact Strength: Notched Izod, J/m 45
42 to 95
Tensile Strength: Ultimate (UTS), MPa 32
36 to 93

Thermal Properties

Glass Transition Temperature, °C 100
170
Maximum Temperature: Mechanical, °C 70
120
Specific Heat Capacity, J/kg-K 1400
1230 to 1900
Thermal Expansion, µm/m-K 80
30 to 90

Otherwise Unclassified Properties

Density, g/cm3 1.0
0.91 to 1.2

Common Calculations

Strength to Weight: Axial, points 8.5
11 to 21
Strength to Weight: Bending, points 22
27 to 37