NurdRage

Make 10 Etchants for Copper Printed Circuit Boards (Patreon)

Published:

2012-12-09 06:32:02

Imported:

2021-10

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Make 10 Etchants for Copper Printed Circuit Boards

We show 10 ways to make PCB etchants using easy to access chemicals 1. Hydrogen Peroxide (5mL of 3%) and Hydrochloric Acid (5mL of 37%) Loses strength in sto...