Parts Cleaning
Aluminum Sand Casting Preparation
Question: We have been asked to quote chromate conversion coating for an aluminum sand casting prior to powder coating.
Read MorePreparing Brazed Metal
Question: We manufacture aluminum heat exchangers and are planning to implement CAB brazing soon.
Read MoreStains on Plated Parts
Question: I work for a plating company that deals with plastic plating.
Read MoreComments on Cleaning with Trichloroethylene
Question: In your August 2001 column, I read your answer to the question on outsourcing cleaning with TCE.
Read MorePassivation of 440C Material
Question: Can you explain what would cause 440C material to etch in a passivation bath of sodium dichromate/nitric operated at 120F?
Read MoreFrom Paint to Powder
Question: We recently switched from liquid painting (alkyd-amino) to pure polyester powder coating.
Read MorePolishing Stainless Steel Screws Revisited
To the readers: In my June 2001 column I answered a question regarding options to polish stainless steel screws.
Read MoreChemical Machining of Aluminum
Question: We are a UK finishing equipment manufacturer and have an application where our client needs to chemically machine aluminum parts by masking and etching away selected areas with alkaline etchants.
Read MorePretreating Laser Cut Parts
Question: Can you recommend a pretreatment cleaning process for laser cut parts?
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