Used for etching the copper surface of circuit boards.
The copper traces left on the board can be marked by using a drawing pen or by exposing a circuit board coated with UV-sensitive lacquer (developer also required). Etching takes a few tens of minutes.
- add the granules to boiling-hot water according to the dosing instructions
- sufficiency approximately 200-250 g per 1 L
- the warmer the solution, the faster the process
- the same solution can be used multiple times
- the solution is transparent, making it easy to monitor the etching process
- the solution is essentially single-use and ready-made solution should not be stored for long periods
- etching strength can be increased with hydrochloric acid, available e.g. from pharmacies (use only in a well-ventilated area)
- dispose of used solution at an appropriate waste collection point
Hazard statements:
| H272 |
May intensify fire; oxidising. Kan intensifiera brand. Oxiderande |
| H302 |
Harmful if swallowed. Skadligt vid förtäring. |
| H315 |
Causes skin irritation. Irriterar huden |
| H317 |
May cause an allergic skin reaction. Kan orsaka allergisk hudreaktion. |
| H319 |
Causes serious eye irritation. Orsakar allvarlig ögonirritation. |
| H334 |
May cause allergy or asthma symptoms or breathing difficulties if inhaled. Kan orsaka allergi- eller astmasymtom eller andningssvårigheter vid inandning. |
| H335 |
May cause respiratory irritation. Kan orsaka irritation i luftvägarna. |
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