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What are the properties of Polypropylene?
Oct 11, 2017

Property

Value

Technical Name

Polypropylene (PP)

Chemical Formula

Polypropylene Molecular Composition   (C3H6)n

Resin Identification Code (Used For Recycling)

Polypropylene (PP) Resin Identification Code 5 (For Plastic Recycling Purposes)

Melt Temperature

130°C (266°F)

Typical Injection Mold Temperature

32 - 66 °C (90 - 150 °F) ***

Heat Deflection Temperature (HDT)

100 °C (212 °F) at 0.46 MPa (66 PSI) **

Tensile Strength

32 MPa (4700 PSI) ***

Flexural Strength

41 MPa (6000 PSI) ***

Specific Gravity

0.91

Shrink Rate

1.5 - 2.0 % (.015 - .02 in/in) ***