PMC Sterling
You can now buy PMC Sterling in single packs from us. Please allow 15 days for delivery, no last minute orders please!
About PMC Sterling
Work, roll, cut, shape and fire versatile PMC Sterling™ like any ordinary clay. After firing, your design comes out of your kiln as a solid sterling silver object which can be hallmarked 925.
PMC Sterling™ is made in Japan and is available in 25-gram and 50-gram
packages.
Composition: Metal powder (92.5% fine silver, 7.5% copper), water and organic binder
Color: Pickle white after firing
Shrinkage: 15–20%
Firing temperature: 1500°F (815°C)
Physical Properties (after firing):
- Melting point: 1620°F (880°C)
- Density after firing: 9.3 S.G.
- Tensile strength: 190 N/ mm2
- Bending strength: 160 N/ mm2
- Surface hardness: 50 HV
Important: Because of the copper content in this formula, firing is a two-step process. Step two
requires a firing pan and activated carbon media.
Please Note: PMC® has a strong adverse reaction to contact with aluminum. Do not use aluminum tools or allow your unfired PMC to come into contact with any aluminum object.
PMC Sterling 25g - £52 plus £5.45 Special Delivery insured shipping
PMC Sterling 50g - £100 plus £5.90 Special Delivery insured shipping
Download the pack insert here
The school is based near St Austell in Cornwall, UK and all classes run in our well equipped workshop.
Contact us on +44 (0)1726 817989 or email us
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