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Caustic Effect On Zinc-Coated Steel
Can you tell me whether caustic soda will dissolve the zinc coating on zinc-coated steel?
Ask an Expert Published: 11/23/2011
Cleanliness Verification of Oil Pump Housing
When a part fails a cleanliness specification, it’s almost always due to maximum particle size and rarely, if ever, due to excessive weight.
Ask an Expert Published: 6/22/2011
Alcohol Wipe Cleaning
What methods or products would you recommend for me to verify that the containers are 100% clean and meet my specifications?
Ask an Expert Published: 3/31/2011
Washer Repair
What can you recommend for a non-silicone based caulk or sealant for repair?
Ask an Expert Published: 3/31/2011
Cleaning Sintered Rings
I would like information on methods, materials and procedures to clean sintered steel rings (porous rings) used in the textile industry, more specifically, in drawing machines.
Ask an Expert Published: 3/31/2011
Stainless Steel Preparation—Follow-Up
The following was submitted by a reader as a follow-up to the October 2010 column regarding a question pertaining to stainless steel pretreatment prior to painting or powder coating.
Ask an Expert Published: 2/18/2011
pH Check
We have been checking the water in our steam coils in our cleaners for alkalinity by adding phenolphthalein indicator to the solution from the coil. If it turns red, we know caustic is present. Is there another way to check for this?
Ask an Expert Published: 1/11/2011
Alternative Paint Stripper Formulations
I want to find a replacement of methylene chloride- based paint strippers. Please guide us about good alternative paint stripper formulations.
Ask an Expert Published: 1/11/2011
Gear Cleaning
The nitric acid bath generates a dark smut on the cast iron gear that will wipe off to the touch. How can I remove it in my operation?
Ask an Expert Published: 1/11/2011
Powder Stripping
We have an aluminum casting from which we need to remove powder coat. We have investigated sanding and chemical, but the heat process may have a very negative impact on the part shape. What are your thoughts?
Ask an Expert Published: 8/1/2010

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