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Properties of chrome-plated PVC

Are the properties of chrome-plated PVC effected by the plating process? Is the strength of the PVC degraded?

Nicole Woosman
- Archbald, Pennsylvania
1999

Hey Nicole,

The simple answer is yes, the PVC is degraded a very little bit. Finishers use PVC tanks to hold our chemistries (PVC is not suited for all finishing chemistry) for years at a time, so PVC is very resistant to chemicals. After the chrome plating process the part could be stronger than before because of the effect of the metals. But, it could be more brittle. Strength is a multicomponent concept. Some of the factors to consider are: the thickness of the PVC, time in process (swell and etch times, temps and chemistry concentrations), reprocess (was the part a reject and go thru strip and replate). Remember, the finisher is not as capable as you are to know if the part will meet it's end use. The Manufacturer should know the design limitations and spec as needed.

Regards,

Fred Mueller, CEF
- Royersford, Pennsylvania
1999

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