No passwords, No popups, No cost, No AI:
we earn from 'affiliate link' purchases, making the site possible

Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

finishing.com -- The Home Page of the Finishing Industry

  The authoritative public forum
  for Metal Finishing since 1989

-----

Material of construction for chromate conversion coating tanks

Q. Dear sir,

please we are looking for your help , we want to do the same yellow chromate coating , but in what the tank is supposed made of .

Tariq Sunni
city sign - Kingdom of Bahrain
2007

A. PVC-lined steel is good. Solid polypropylene or stainless steel should be okay too. Proper grades of fiberglass (vinyl ester resin) should be good as well.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2007

Q. Please we are going to set new plant , but we do not know what material to use :
1- hexavalent chromium 65% @ 90 c .
2- caustic soda ⇦liquid caustic soda in bulk on Amazon [affil link] 10% @ 82 c .
3- nitric acid - room temperature .

Tariq Sunni
city sign - Kingdom of Bahrain
2007

(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: