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) ***