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Conversion from Iron to Zinc Phosphate
I am currently interested in converting my washer from iron phosphate to zinc phosphate but I was concerned with the hazards of welding over the pretreated steel. I was also wondering if you can “double treat” with zinc phosphate, since the product ...
Ask an Expert Published: 3/1/2015
Repassivation of PH13-8M0
We need to add a slot to a PH13-8MO H1000 part. Do we need to repassivate?
Ask an Expert Published: 3/1/2015
Methylene Chloride Stripper Recycling
I am wondering about using pure methylene chloride as a paint remover with a water blanket on top to control the fumes and distilling the methylene chloride laden sludge in a solvent distiller to recover it for reuse. Is there any reason this is not...
Ask an Expert Published: 3/1/2015
Steel Casting Cleaning
Is there a standard method for cleaning cast steel prior to electroplating, such as steam cleaning or cleaning the parts with some sort of chemical cleaner agent?
Ask an Expert Published: 3/1/2015
Flash Removal of Plastic Injection Molded Parts
What is a good system for cleaning dirt, debris and parting line flash prior to painting?
Ask an Expert Published: 1/1/2015
Chrome Pretreatment
What are effective pretreatments before painting over chrome?
Ask an Expert Published: 6/6/2014
Pretreatment Duration
How can I shorten the pretreatment time for my batch powder painting operation?
Ask an Expert Published: 6/4/2014
Conversion Coating Questions
Reader looks for information on conversion coatings and processes.
Ask an Expert Published: 5/26/2014
Zinc Phosphate of Brazed Steel Parts
What is causing etching of tungsten carbide and copper alloy braze materials after zinc phosphating?
Ask an Expert Published: 5/21/2014
Passivation Concentration
I am reviewing my passivation process with nitric acid per ASTM 967 using nitric 2 (, and am not sure how to mix or check the solution. I also want to be sure I am neutralizing correctly.
Ask an Expert Published: 10/1/2013

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