Formulation
Renaissance Wax was originally formulated in the British Museum research laboratories in the early 1950s. It is now manufactured solely by Picreator Enterprises Ltd.
Earlier wax polishes based on beeswax and carnauba wax either contained acids or became acidic over time. Renaissance Wax was based on more stable microcrystalline waxes refined from crude oil.
Renaissance Wax also contains polyethylene waxes. Some other microcrystalline waxes intended for conservation use (e.g. Cosmolloid 80H) do not contain these.
The formulation is:
| 100g | Cosmolloid 80H (Astor) |
| 25g | Wax A (a polyethylene wax) (BASF) |
Melt together and pour into 300ml of a high flash point hydrocarbon solvent, then stir constantly until cool.
Another similar formulation, giving a harder coating, can also be made:
| 90g | Cosmolloid 80H (Astor) |
| 30g | Ketone Resin N (BASF) |
| 200ml | High flash point hydrocarbon solvent |
Melt together and pour into the solvent, then stir while cooling and add further quantities of white spirit to produce a suitable consistency.
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