Greetings, We use 60�C (140�) to 65�C (149�F) with aggressive compressed air agitation. Higher etching temperatures result in shorter etching times with less undercutting. Thanks, Ned Ned Seith Nedtronics 1716 lodi Avenue San Mateo, CA 94401 650-473-0200 x111 FAX 650-473-0357 nedtron@earthlink.net
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Re: [Homebrew_PCBs] Etchant Temperature
2003-10-16 by nedtron@earthlink.net