Copper Etchants


• Copper Etch

- ASTM formula 30, a popular general purpose grain contrast etchant for copper, brass and bronze. It produces a flat etch for some copper alloys and can be used for macro etching of copper welds. This product has 2 parts. The user has to combine them before use.

• Ferric Chloride Etchant

- Mild, general purpose micro etchant for copper alloys. Pre-mixed, ready to use.

• Acidic Ferric Chloride

- ASTM formula 34, a strong grain contrast etchantPre-mixed, ready to use.

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