Precious Metal Clay 3 is a clay-like material that, once fired, can be hallmarked as fine silver (.999).
The syringe type clay has been formulated to allow easy extrusion of the clay to create fine detail, writing and quick repairs. Each syringe comes with a fine syringe tip which can be cut to size if required.
Tip: Once opened, store the syringe (with the tip on) in a cup of water.
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.
PMC3 Shrinks 10 per cent.
The clay weight is 10g and contains 9g of silver.