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


  -----

Wire pre-cleaning before plastic coating for better adhesion



Q. I'm wet drawing C1006 annealed wire and need clean surface in finished sizes. But due to presence of burnt calcium soap & some dust on input 1.60 mm wire surface, I am getting dirty wire, which is not suitable for plating quality or plastic nylon coating.

This wire needs to be mechanically or electrically cleaned in-line from pay-off spool at drawing speed so that the sodium soapy liquid coolant can give good clean wire which can be removed easily in hot water 70 °C prior to plastic coating.
Please suggest best technique like Laser/ultrasonic/reverse current/ Brushes & sanding belts which is environmentally friendly and less use of water.

ESMAIL T. GODHRAWALA
ESMAIL T. GODHRAWALA
wire drawing & plastic coating - MUMBAI, Maharashtra, INDIA
April 1, 2024


A. Hi,

I would not expect wire to require brushing or sanding after drawing, but cathodic electrocleaning seems appropriate for annealed wire. A mild acid dip should probably follow it.

It doesn't sound environmentally friendly to me, but some wire coaters employ an etching dip in chromic acid and a rinse before plastic coating. This etches and oxidizes the surface for better adhesion.

Luck & Regards,

ted_yosem
Ted Mooney, P.E. RET
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.




(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"