GMW 14668 Standard Test for Minimum Performance Requirements for Decorative Chrome Plated Plastic Parts

Automotive Tests

GMW 14668 Standard Test for Minimum Performance Requirements for Decorative Chrome Plated Plastic Parts

EUROLAB laboratory provides testing and compliance services within the scope of the GMW 14668 standard.

GMW 14668 Standard Test for Minimum Performance Requirements for Decorative Chrome Plated Plastic Parts

This standard is designed for the following applications:

Indoor (Code A): Indoor applications do not require the use of discontinuous chrome or multi-layer nickel systems. Discontinuous chrome is allowed for indoor applications.

  • Type 1: Standard indoor use.
  • Type 2: Applications where higher cladding thicknesses are required and/or performance requirements are not met by Type 1 (for example, interior door handles, manual slide decor rings or frames may require Type 2).
  • Type 3: Small parts such as radio control button frames. These parts do not require full coating approval per GMW16193, but only require coating performance to this specification to be demonstrated in the Production Part Approval Process (PPAP).

External (Code B): For outdoor applications, discontinuous chrome plate (microporous (mp) or microcracked (mc)) will be used in addition to the multilayer nickel system.

  • Type 1: Legacy (not used for new programs/approvals).
  • Type 2: Standard outdoor use.
  • Type 3: High corrosion service conditions (wheel liners and covers).
  • Type 4: Chromium with high calcium chloride resistance to corrosion.

This type of lacquer will be used mainly for decorative purposes. Gloss and other finishes (e.g. satin, brushed, dark or veined) are for interior and exterior plastic applications as defined in style and custom appearance standards.

EUROLAB assists manufacturers with GMW 14668 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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