Copper Electroforming Solution Base 4000ml/4L to make up 5000ml/ 5L
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Copper Electroforming Solution Base 4000ml 4L to make up 5000ml 5L
When using Copper Anodes:
To prepare 1 litre of working solution from 800ml of Copper Electroforming Base
1. Add 800ml of Copper Electroforming Base to a 1 litre graduated beaker or measuring cylinder.
2. Make up to 1 litre with Battery Acid (25 - 35%).
3. Add to plating beaker or store in original bottle.
Notes:
Water for filling steam irons or water for topping up lead acid batteries can be used.
When using Platinum Electrodes/Anodes
To prepare 1 litre of working solution from 800ml of Copper Electroforming Base
1. Add 800ml of Copper Electroforming Base to a 1 litre graduated beaker or measuring cylinder.
2. Add 135 millilitre of Battery Acid (25 - 35%). See notes below.
3. Make up to 1 litre with distilled or deionised water. See notes below
4. Add to plating beaker or store in original bottle.
Notes:
Water for filling steam irons or water for topping up lead acid batteries can be used.
For the online calculator click here
https://www.goldn.co.uk/copper-electroforming-calculator
Operating Conditions and Deposit Data
| Plating Factor | 0.035 – 0.05A/cm2 |
| Plating rate | 1.0 micron per minute at 0.05A/cm2 |
| Temperature | 18 – 30°C (See notes) |
| pH (of working solution) | <1.0 |
| Agitation | Low (slow spin speed on stirrer) See notes below |
| Brightener | Single brightener. Initial concentration: 25ml/litre |
| Electrode (bagged) | Platinum electrode (preferred) or copper electrode |
| Cathode efficiency | Above 99% at Plating Factor = 0.035A/cm2 |
| Hardness of deposit | 160 VPN falling to 100 VPN over 5 days at room temp |
| Density of deposit | 8.9 g/cm3 |
| Stress | Low (Tensile) |
| Special storage requirements | None |
| Shelf life | Up to 1 year |
| Health and Safety classification of Base before addition of sulphuric acid | Harmful |
| Transport (UN number) | Copper Electroforming Base is not classified as dangerous for transport. |
Notes:
- If particulate contamination enters the solution, filter using our filter kit.
Please note that if using copper electrodes, continuous filtration will be necessary. If using
rod electrodes, the solution should only need occasional filtration if at all. - Brightener additions should be made at the start of plating if possible. Additions can
be determined using the Copper Electroforming Calculator by clicking Here - Higher temperatures favour less burning on exposed areas ie: sharp edges or pointed parts.
- Solution should only be lightly agitated with the stirring rate set to minimum. Too much
agitation will disturb any copper residues in the anode bags causing them to enter the
solution which will produce a rough deposit. - After starting from a long period of inactivity, add 5ml of Copper Brightener per litre of
electroforming solution. - Build up of blue crystals is usual on the electrode ring. Remove by scraping them
back into the solution and allow to dissolve before commencing plating. - Please note: It is possible to use our Copper Electroforming Brightener with home-made
sulphuric acid base copper electroforming and copper plating solutions provided
that the solution has not had any brighteners added previously.
For home-made solutions add 25ml of Copper Electroforming Brightener
for every litre of home-made solution.