Nitric Acid 2.5 Litres - *Collection OnlyC19894
- Nitric Acid (59/60%)
- To etch and clean Copper & Copper Alloys
Etching is the controlled corrosion of a surface with Acid. In jewellery the process is used to form surface decoration on metal; some parts of the surface are protected by an acid resisting substance whilst the unprotected is eaten away by the Acid.
Also used to treat 22ct & 18ct to clean oxides from metal after heating and to remove investment powder after castings are done.
Recommended use 10% Acid to 90% water at 40 degrees C.
CAUTION – ACID AND AMMONIA PRODUCTS ARE EXTREMELY DANGEROUS CAUSING DEATH OR SERIOUS INJURY THROUGH IMPROPER US - only available for collection for customers over 18 with a trading history and clear proof of age.
- £16.00 when you buy 1
- £14.40 when you buy 2 or more