How does polypropylene PP differ from polyamide HP PA 12?

Polyamide and polypropylene have many common physical properties, but there are also some differences, as provided below.

  • The melting point of PA 12 powder is 187°C, and that of PP is 138°C.
  • The bulk density of PA 12 powder is 1.01 g/cm³, and that of PP is 0.34 g/cm³ (polypropylene products are lighter than polyamide ones).
  • The hardness (Shore D) of polyamide is 80, and that of polypropylene is 68 (products made of polyamide are stronger).

More details about polyamide and polypropylene can be found in the corresponding comparison table.

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