-- The Home Page of the Finishing Industry
23+ years of serious education, promoting Aloha,
& the most fun you can have in metal finishing smiley
    no popups, no spam
on this site
current topics
topic 5069

Etching Primer for Chrome to Enable Paint to Adhere ?


I am restoring an antique car and having trouble getting paint to stick to the background of a newly chrome plated badge despite lightly scuffing it with 600 wet paper. Can anyone tell me of an over-the-shelf product I can purchase in a small quantity to etch or prime with, for adhesion of my paint?


Ray Charest
- Toronto, Canada


Hydrochloric acid, available everywhere as Muriatic Acid [linked by editor to product info at Amazon], will easily etch the chrome. Be very careful of over etching and you will need to very careful of dissolving the chrome completely if the acid is undiluted.

A fine airbrush with an abrasive will provide a good mechanical surface for adhesion, and there are many precision airbrushes around that will accept fine carbide or carborundum abrasives. Again, be careful and use a stencil mask to help avoid damaging your item.

Dale Woika
SCSC - Bellefonte, Pennsylvania

September 15, 2008

Well actually I'm asking this question on behalf of a friend who's into automotive body repairs. Can epoxy primer(automotive)be applied on chrome? If not what's the recommended primer. Thank you!

Donnel Charles
Paint Mixer - Grenada, West Indies

This public forum has 60,000 threads. If you have a question in mind which seems off topic to this thread, you might prefer to Search the Site

ADD a Comment to THIS thread START a NEW threadView CURRENT TOPICS

Disclaimer: It's not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations may be deliberately harmful.

  If you need a product/service, please check these Directories:

JobshopsCapital Equip. & Install'nChemicals & Consumables Consult'g, Train'g, SoftwareEnvironmental ComplianceTesting Svcs. & Devices

©1995-2018, Inc., Pine Beach, NJ   -   About   -  Privacy Policy
How Google uses data when you visit this site.