This specification covers the requirements for a high bake 121 °C (250 °F) waterborne (WB) adhesion promoter for Thermoplastic Polyolefin (TPO). The adhesion promoter may be conductive or nonconductive depending on the needs of the user.

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 adhesion promoter is part of a total product system and must meet requirements set forth in the specifications for other materials with which it is used. This specification shall be used in conjunction with the GMW14797, Approved Paint on Plastics Systems (APOPS), a section of GM Materials Approved Source List (GMMASL) which lists approved substrate, cleaning, priming, and topcoat combinations.

Symbols.

Not applicable.

Applicability.

Adhesion promoters covered under this standard are typically applied to a GM approved TPO substrate and are used under an approved coating system. 1.4 Remarks. None.