-- The Home Page of the Finishing Industry
A website for Serious Education, promoting Aloha,
& the most FUN smiley you can have in metal finishing

topic 8894

Cleaning corroded aluminium sandcastings and zinc diecastings


Can anyone suggest the best way of cleaning corroded aluminium castings? These are automotive, (gearbox tops, bellhousings etc) The original finish was satin, ripple finish and bright. The condition now is usually(white and grey) corrosion in parts. I am reluctant to use abrasive methods which will alter the original surface texture. I also want to find a method of cleaing very dark grey oxidation from Mazak zinc diecastings (carburetor bodies).Chromic acid has been suggested - any comments?

- UK

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 Q or A to THIS thread START a NEW THREADView This Week's HOT 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

©1995-2017     -    Privacy Policy
How Google uses data when you visit this site.