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standard by General Motors Worldwide , 04/01/2025
Note: Nothing in this standard supercedes applicable laws and regulations.
Note: In the event of conflict between the English and domestic language, the English language shall take precedence.
Purpose/Material Description.
This standard covers the properties of a continuous glass fiber mat, preimpregnated with polypropylene, homopolymer, and used in a compression molding process.
Symbols.
The material abbreviation per ISO 11469 is PP – GFXX (see Section 8 for details). The symbol shall be completed by the supplier according to the Glass Fiber (GF) content of the material.
Applicability.
Typical applications include non-Class “A” surface appearance structural components such as the following; underbody panels, chassis shields, radiator support brackets, seat backs, bumper beams, battery trays, header panels.
Remarks.
The classification into groups is according to the different ranges of GF content.