GMNA 9984559 PDF

This specification details the requirements of waterborne, high bake sprayable damper. High bake refers to the target bake temperature range of the primer surfacer applied at the assembly site. The purpose of the sprayable damper is to reduce vehicle noise vibrations from the engine, tires, transmission and stone impingement.

Material Description. The material must be a smooth and homogeneous mixture that contains no lumps, no excess air, unmixed particles or foreign materials. The material must adhere to all production electrocoat. Specific material requirements and appropriate test methods are listed in the requirements section of the sprayable damper specification, GMW6725. 

Symbols. Not applicable. 

Applicability. For application in the paint shop over electrocoated substrate for the purpose of, damping metal vibration.

Remarks. Not applicable.