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Description / Abstract:
Material Description. This
specification describes material types of a transparent and
integrally-colored Poly(methyl methacrylate) (PMMA) which are used
in injection molded components. Code letter and number, in addition
to GMW3013 guidelines that apply to this specification.
Paintability. Approved paint systems that can
be used on this material are listed, e.g., in the General Motors
Approved Paint on Parts Systems (GM APOPS) database. General
descriptions of the different group classifications is found in
Table 5
Types. The classification into groups is
according to the different properties as described in Tables 1 and
2. Weathering requirements for natural and compounded colors are
listed in Table 3.
Symbols. The material abbreviation according to
ISO 11469 is PMMA.
Applicability. Typical applications include
exterior and interior lenses, emblems, and other transparencies and
second surface opaque materials. This material specification is not
for use with first surface high gloss black exterior/interior trim
applications.