Description / Abstract:
MaterialDescription. This
specification covers the properties of a highly resilient, multiple
impact resistant, black or white expanded polypropylene bead foam
which is chest molded.
Materials certified to this material specification may have
additional characteristics. Possible additional characteristics are
defined in GMW3013.
Symbols. The material abbreviation according to
ISO 11469 is PP.
Applicability. Typical applications include the
following: Bumper energy absorbers, knee bolsters.
Remarks. The classification into types is
according to the different ranges of density. There is a type Z to
be used for a density that is outside the listed ranges.