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GMW14668

Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts

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Organization: GMW
Publication Date: 1 March 2021
Status: active
Page Count: 20
scope:

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 standard is intended for the following applications:

Interior (Code A).

Interior applications do not require the use of discontinuous chromium or multiple layer nickel systems. For interior applications, non-discontinuous chrome (r) is permissible.

• Type 1: Standard interior usage.

• Type 2: Applications where higher coating thicknesses are required and/or performance requirements are not met with Type 1 (e.g., inside door handles, manual shifter decor rings, or bezels, may require Type 2).

• Type 3: Small parts such as radio control knob bezels. These parts do not require full plating approval per GMW16193, but only require demonstration of plating performance per this specification at Production Part Approval Process (PPAP). Refer to Appendix B, Figure B3, for geometry limitations.

Note: If no interior type is listed on the detail drawing, Type 1 is assumed.

Exterior (Code B).

For exterior applications, discontinuous chromium plate (microporous (mp) or microcracking (mc)), in addition to a multiple layer nickel system, shall be used.

• Type 1: Legacy type (not used for new programs/approvals).

• Type 2: Standard exterior usage.

• Type 3: High corrosion service conditions (wheel claddings and caps).

• Type 4: High corrosion calcium chloride resistant chromium (Russian mud, see 3.4.10.2).

Note: If no exterior type is listed on the detail drawing, Type 2 is assumed.

Symbols.

Not applicable.

Applicability.

This type of finish shall be principally used for decorative purposes. Bright and other (e.g., satin, brushed, dark, or grained) appearances are for interior and exterior plastic applications, as defined by styling and specific appearance standards.

Remarks.

None.

Document History

GMW14668
March 1, 2021
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
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....
October 1, 2020
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts. Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of...
January 1, 2019
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts.  Material Description. This standard is intended for the following applications: Interior (Code...
September 1, 2015
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts. Material Description. This standard is intended for the following applications: Interior (Code...
February 1, 2014
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts, including assemblies.  Material Description. This standard is intended for the following...
November 1, 2010
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts, including assemblies. Note: Nothing in this standard supercedes applicable laws and regulations....
May 1, 2010
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts, including assemblies. Note: Nothing in this standard supercedes applicable laws and regulations....
November 1, 2009
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts, including assemblies. Material Description. Platings to this specification are intended for...
February 1, 2007
Minimum Performance Requirements for Decorative Chromium Plated Plastic Parts
This specification covers basic requirements for copper-nickel-chromium electroplated plastic parts, including assemblies.

References

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