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GMW15197

3rd Edition, October 1, 2014

Complete Document

Fuel Filler Pipe Coatings

Includes all amendments and changes through Inactive for New Design Notice 4, October 2014


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Product Details:

  • Revision: 3rd Edition, October 1, 2014
  • Published Date: October 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: General Motors Worldwide (GMW)
  • Page Count: 6
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Material Description. This specification covers the basic requirements for a conductive hexavalentchrome- free one-coat dip applied black corrosion protective coating system to be used over Zn-Ni (zinc-nickel) coated steel. After validation, it may also be used over other substrates such as Zn-Fe (galvannealed) or pure zinc (hot dip) coated steel. The coating system consists of an approved nonchrome pretreatment and a dip applied black pigmented topcoat. This coating typically contains epoxy, so it is not recommended for use in locations where it will be exposed to sunlight. In the instances where a fuel filler pipe will be exposed to direct sunlight, a separate topcoat should be developed and then specified on the drawing.

Symbols. Not applicable.

Typical Applications. This coating system is typically used on fuel filler pipes fabricated of Zn-Ni coated sheet steel. The coating is suitable for the interior and exterior of fuel filler pipe assemblies where high level of corrosion protection and a black color are required.

Remarks. The coating system must be resistant to conventional hydrocarbon fuels, ethanol-based flex fuels ranging from E0 to E100, and B5 and B20 bio-diesel.