The metal equipment in a studio is corroded by the vapours, too. Etching without toxic fumes and aerosols is the main advantage of using a copper sulphatesolution. When etching aluminium or zinc with copper sulphate a minute amount of hydrogen gas is produced; more with aluminium, less with zinc.
- Soluble source of copper in crystalline form
- Less hydrogen gass produced.
- High analysis and value for money a compared to liquid version products
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