Parts Cleaning
Building Blocks of an Aqueous Cleaning Process
Chemistry, time, temperature and mechanical energy are the keys
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Still Valuable
Vapor degreasing remains the cleaning process of choice in some applications
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Removing Rust, Mill Scale And Oils In One Step
I always see the typical pretreatment stages to be a cleaner, rinse, phosphate, rinse, sealer, rinse or not. Nowhere do I see anything to deal with the rust and mill scale from the HRS steel. Is there a product that removes the rust, mill scale and oils in one step? Or are there more steps required, I can honestly say most everything I ever read about seems like a perfect world where the only thing the steel has on it is oils.
Read MoreSmut On Titanium Parts
I use a Nitric/HF bath to etch titanium. Afterwards I desmut in 45% by volume nitric acid solution. Recently I have been noticing smut on parts. The bath is eight years old. Any suggestions?
Read MoreBlisters And Creep On Aluminum Castings
We have repeatedly failed a 336-hour salt spray test on an aluminum casting. We use an immersion bath iron phosphate conversion coating (soap, rinse, phosphate, rinse) and urethane powder coating. The results have consistently been blisters and significant creepback from scribe. How can we improve our adhesion and weather resistance on these die castings? What is causing the blistering? We could instead use a TGIC Polyester? Would these powders perform better?
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A Strong Finish
Bringing powder coating in-house leads to a top quality finish and quick turnaround
Read MoreReplaced Liner Just Isn't The Same As The Old
The liner on our Osrotron 10-cu-ft bowl wore out and we decided to reline rather than purchase a new machine. When we got the bowl back with the new liner, we could not adjust the machine to the same good action we had before. Our supply vendor is not qualified to help with this. We don’t know where to turn for assistance since Osro is out of business.
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