Introduction

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.

1.1 Purpose/Material Description. This standard covers organic surface coatings on plastic parts and

components used for automotive exterior and interior applications on motor vehicles, for painted components

within the engine compartment, and for exterior lighting hardcoat and anticondensation coating.

1.2 Symbols. Not applicable.

1.3 Applicability. This specification details the performance requirements for applied paints on plastic parts

used for either exterior, interior, exterior lighting, or engine compartment applications on motor vehicles. This

includes the laboratory test requirements for GM Approved Paint on Parts (APOPS) (not applicable for Interior),

Validation Testing Complete (VTC), Production Part Approval Process (PPAP) approval, and processing

conditions, for exterior and interior plastic painted automobile components.

1.3.1 APOPS Approval vs. PPAP Approval (Not Applicable for Interior). Refer to Figure 1. Prior to producing

parts in the production setting, a GM approved substrate and a GM approved paint is specified by GM on part

drawings or otherwise to use in making the part. APOPS is intended as detailed review of a new combination of

GM approved substrate, GM approved paint, and production paint process for a specific molder/painter. This is

accomplished by the GM Materials Engineer with the supplier. An APOPS approval is documented with eithe.

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