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Trial Number 17

Client Number 303

Project Number 1

Trial Purpose:

To evaluate selected products on customer supplied parts using immersion cleaning at room temp.

Date Run:

10/07/2008

Experiment Procedure:

Eight products were selected from the lab's on-line database, www.cleanersolutions.org, based on supplied information from client. Two products were diluted to 5% using DI water in 600 ml glass beakers. Six products were used at full strength.  Solutions were used at room temperature, 68 F, and cleaned by immersion for 1-2 minutes and dried using air blow off for 30 seconds at room temperature.

Trial Results:

All the products seemed to remove some of the metal shot from the parts and could be seen at the bottom of the beakers. Half of the cleaners seemed to leave the parts darker then when they were cleaned and left a residue on the parts even after blow drying. Not sure if this residue will affect the copper sulfate process that is done after. The customer will be inspecting and coating the parts to see.

Cleaner Observation
Polyspray Jet 790 XS Iron shot on bottom of beaker. Parts dried well but were spotty. No visual residue on the parts. Tops were light in color like before they were cleaned.
Daraclean 282 GF Iron shot on bottom of beaker. Parts dried well but were spotty. No visual residue on the parts. Tops were light in color like before they were cleaned.  Cleaner foamed
Smart Solv 605 Iron shot on bottom of beaker. Tops of parts were glossy and dark and clearly had a film or residue on them.
SoyClear 1500 Iron shot on bottom of beaker. Tops of parts were glossy and dark and clearly had a film or residue on them.
SC Maxisolv Iron shot on bottom of beaker. Tops of parts lighter and less residue on the parts overall
SolSafe 245 Iron shot on bottom of beaker. Tops of parts lighter and less residue on the parts overall then previous two and next cleaner.
Bio Gold Parts Cleaner Iron shot on bottom of beaker. Tops of parts were glossy and dark and clearly had a film or residue on them.
SC Soyester Iron shot on bottom of beaker. Parts are comparable to parts cleaned in Solsafe 245. The tops were lighter and had less residue on them overall then some of the other solvents.

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The eight products removed iron shot from the parts. The issue will be the residue left on the part and if they can be copper sulfated or not. The parts will be brought down or shipped to the customer for them to try coating them and their feedback will guide the next steps on if a rinse will be tried or ultrasonics will be used.

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