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Rinsing Difficulties
How helpful would it be to add a rinse aid to our post-process rinses in chromate conversion, and iron and zinc phosphate processes?
Ask an Expert Published: 2/18/2013
Inline Aluminum Foil Cleaning
I would like to degrease 0.003-0.010-inch aluminum foil inline before I punch and sheet. Can you point me toward someone who makes this type of equipment and related chemistry?
Ask an Expert Published: 2/21/2012
Precleaning Prior to Ultrasonics
We are cleaning deep-drawn parts that have significant amounts of heavy oil on them when received. Would you recommend some sort of gross oil removal first or just leave it to the ultrasonic cleaner?
Ask an Expert Published: 9/22/2011
Conversion Formula
I’m interested in knowing if there is a formula that can be used to determine contact time for soak or immersion cleaning verses impingement or spray cleaning?
Ask an Expert Published: 9/22/2011
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
Cleaning Expanded Stainless
We’re looking to install an in-line (or off-line) cleaning system that would degrease flat expanded metal sheet made out of 0.015-inch-thick SS T409 material.
Ask an Expert Published: 4/1/2010
Rinse Tank Water PH
What effect, if any, will raising the temperature of RO water in a post-anodize, post-chromate rinse tank from ambient to 130°F have on the water’s pH value? Is there a way to rinse in hot RO water, max 130°F, and still be able to maintain a pH lev...
Ask an Expert Published: 12/1/2007
“Fuzzy” Parts
We are noticing that some of the parts form a “fuzz” where they are machined. This area is white powder and when removed leaves a black spot on the surface of the tube that will not chromate.
Ask an Expert Published: 10/1/2007
Graphite Grease Removal
We have to find a more economical way to do it while avoiding solvent usage for health and safety considerations. Do you have any suggestions?
Ask an Expert Published: 8/1/2007
Hazey Parts
The cleaner we used for four years worked great until recently. After the initial few days of the new bath, the parts start to develop a haze when cleaned. Is this a water issue? Should I put a water softener on the water supply? Is it some kind of...
Ask an Expert Published: 6/1/2007

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