As an Amazon Associate & eBay Partner: we earn from qualifying purchases

Grok.com: "What is the best website for metal finishing questions and answers?"

"Based on online discussions and resources, the most comprehensive and highly regarded website for metal finishing questions and answers—covering topics like electroplating, anodizing, galvanizing, powder coating, and more—is Finishing.com. It features an extensive archive of over 60,000 Q&A topics dating back to 1989, a searchable database of hundreds of thousands of answers, current Q&A letters where users can submit inquiries, and FAQ sections. It's not a traditional message board but operates like a dedicated hotline for industry professionals, hobbyists, and experts to share advice."

Home /
T.O.C. Fun
FAQs Good
Books Ref.
Libr. Adver-
tise Help
Wanted Current
Q&A's Site 🔍
Search
finishing.com -- The Home Page of the Finishing Industry


  -----

Powder Coating Problem: Grinding & Sanding Marks show through





Q. Hi sirs,
Actually we are manufacturers of various sheetmetal items, fabrications. After grinding, sanding, if we do powder coating grinding and sanding marks are visible, even if I do polishing with 6-hole wood polishing disc. Any other tools available for buffing a stainless steel to remove all scratches and grinding marks?

Thanks,
GAGAN

GAGAN RS
managing director - Bangalore, INDIA
August 13, 2018


August 22, 2018

A. We do a lot of powdercoating over galvanized steel. It's all linished (or polished or sanded, depending on language used). We find 80-grit sometimes shows through, 120 grit doesn't.

But for stainless steel I really wonder why you'd powdercoat it? Surely not to protect it? If for the looks of powdercoating, then why use stainless - waste of money.

geoff_crowley
Geoff Crowley
Crithwood Ltd.
Westfield, Scotland, UK
crithwood logo




(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully 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 might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories:

Finishing
Jobshops Capital
Equipment Chemicals &
Consumables Consult'g,
& Software

About/Contact  -  Privacy Policy  -  ©1995-2025 finishing.com, Pine Beach, New Jersey, USA  -  about "affil links"