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Q.
Which Cleaner Works Best on Light Grease, Oils and other Lubricants?
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A.
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Until recently, there would have been only one recommendation and it would have stood out so far above all others you couldn't even read the names of the second choice. The leader: ExPoxy™ Remover (#MCC-EPX). This cleaner is as good as than the old ozone-depleting 1,1,1-TCA, it dries reasonably  quickly, is very acceptable environmentally, and it has very good toxicity ratings. The only drawback? It has a flashpoint, so it is not suitable for use in heated vapor degreasers or ultrasonic systems.
But now there is a new top dog in town: PowerClean™. This product was formulated first as a defluxer and then we discovered it is a great degreaser as well. It is nonflammable, dries quickly and has an excellent environmental record.
MicroCare's Reflow Oven Cleaner is a water-based degreaser is with exceptional handling. It's nonflammable and slow-drying, but it works best when warm. Since many degreasers have heating capabilities, it's ideal in applications where parts can be soaked for an hour or two in a dipping tank.
Recently MicroCare began marketing still another great degreaser: Bromothane™. The Bromothane™ family of solvents are based on nPB materials from Chemtura Corp. As degreasers go, the material is unbeatable -- simply nothing will out-perform Bromothane™ solvents on grease, oils and similar hydrocarbon residues. However, because of toxicity concerns, it must be used in a sealed system such as a vapor degreaser. If your degreasing problems are causing headaches, and using a vapor degreaser seems feasible, then you must check out the Bromothane™ web site.
Another good choicde would be the Vertrel® solvents from DuPont. Based on nonflammable HFC solvents, these products offer a wide range of degreasing capabilities.
Of all of these choices, we would recommend PowerClean as a starting point: it's ozone-safe, nonflammable, and almost odor-free. Most of these cleaners are not completely plastic-safe, so be careful where you use them. Always test on soft plastics before deploying these cleaners widely. Get some samples and try them.
Updated 8-10-2008
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