Precious Metal Clay 3 is a clay-like material that, once fired, can be hallmarked as fine silver (.999).
This type of PMC3 has been formulated to allow fine application with a paintbrush. Use it to join pieces of PMC together, fill small holes or paint leaves. Like all other PMC products this is water based. Suitable for use with all other types of PMC, both fired and unfired.
The clay weight is 18.6g and contains 15g of silver.
Firing: PMC only and with/out fireproof gems
Torch firing: heat until the binder has burnt off and time for 3 minutes (it should glow a pale, orange colour)
Kiln firing: Fire at 800C for 30 minutes
Mixed Media firing: Fire in a kiln at 600C for 45 minutes.
PMC3 Shrinks 10 per cent.