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9984068

10th Edition, November 1, 2014

Complete Document

Primer Surfacer – High Solids, High Bake



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Active, Most Current

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Referenced Items:

GM1000M
GM4356M
GM4389M

Product Details:

  • Revision: 10th Edition, November 1, 2014
  • Published Date: November 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: General Motors Company (GMNA)
  • Page Count: 3
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This specification covers the qualification and performance requirements of a thermosetting, sandable, high-solids, solvent-borne primer surfacer.

Material Description. The primer surfacer covered in this specification is intended to be applied and baked over electrodeposition (ELPO, E-Coat, Electrocoat) primer prior to topcoat. The nominal bake for this system is 25 minutes at 163 °C (325 °F) substrate temperature.

Symbols. Not applicable.

Applicability. The primer surfacer is intended to provide a smooth, adhesion promoting coating over baked electrodeposition primer. It is also intended to provide an easily sanded surface.

Remarks. The primer surfacer is typically applied by electrostatic spraying and is subsequently topcoated with high solids acrylic enamels or waterborne color coats.