Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: HCL + Hydrogen Peroxide etchant solution slow
From: "gmc_za" <gmc_za@...>
Date: 2004-11-11
I have made a solution of 1 part HCL (30%), 1 part Hydrogen Peroxide
(30%) and 2 parts H2O (I've also tried 1 part H20) and my board takes
about 30-45 mins to etch. By this time some of the wanted tracks are
eaten away.
From what Ive read it should taken minutes. What am I doing wrong?
1) Maybe I dont have enough volume of the stuff - How much etchant is
needed for say a 10x10cm board
2) Are my parts Hcl:HydrogenPer:H2O correct?
Thanks.
Greg