I have been using the same simple method for years and it works very well. I scrub the board with no-name steel wool soap pads from the supermarket. Then I give it a good rub down with acetone on a paper towel. Then iron on toner transfer from Epson No S041140 photo paper or 100gsm glossy paper from Officeworks printed on a HP laserjet. I use a 2400W iron on the hottest setting. Works perfectly. The Epson paper floats off beautifully in a water bath. The Officeworks paper needs a bit of frictional encouragement. Morris
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Re: [Homebrew_PCBs] Cleaning PCB Copper
2009-02-04 by Morris Odell