finishing.com -- The Home Page of the Finishing Industry
A website for Serious Education, promoting Aloha,
& the most FUN smiley you can have in metal finishing.
    no popups, no spam
HomeFAQsSuggested
Books
Help
Wanteds
Advertise
on this site
FORUM
current topics

topic 11316

Gold Flash on Plastics?

 

Looking for information of Applying Gold Flash Directly onto Plastics?

Eoin Lynch
- Manchester, New Hampshire


 

Dear sir:

We have to know the kind of plastic (hope it is A.B.S). If so you maybe etch it (chromic and sulphuric acid) etching then you sensitizing it in tin chloride finally plated with gold by electroless gold.

Thank and best regards,

RAAFAT ALBENDARY
N.P.E - Cairo, Egypt


 

Dear Raffat,

What type of reducing agent in electroless gold?

Best regards,

Prasarn Hutpattanasilp
- Samutsakorn, Center, Thailand


 

Base material abs.first etching in chromic acid & sulphuric acid.

Rinse followed by HCl neutralization then rinse.

Simultaneous sensitisation and activation in Pd activator.

Rinse and accelerate in H2SO4 rinse and finally to electroless nickel then acid bright copper, intermediate bright nickel and strike gold.

Umar Farooq
electroplating shop. - Pakistan



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 finishing.com, Inc., Pine Beach, NJ   -   About finishing.com   -  Privacy Policy
How Google uses data when you visit this site.