PMC 925 Serling Sterling Silver Clay
This type of silver clay can be shaped in the same way as ceramic clay. The processing steps are: modeling, drying, burning and polishing. (details here)
PMC 925 (sterling) is composed of 925 parts fine silver and 25 parts copper.
Shrinkage: 15%
PMC Sterling requires a 2-stage firing process. PMC Sterling cannot be burned with the burner, you will need a furnace. In the first step, remove the binder by placing the item on an oven rack and fire at 540°C for 30 minutes. In the second step, put a 10 mm layer of activated carbon on the bottom of a steel container. Then place the piece on top of the carbon layer. Sprinkle more activated carbon on top of the PMC Sterling piece to create a top layer of at least 10mm. Cover with the lid and place in the oven. A firing at 815°C is scheduled for 90 minutes.
PMC has a strong adverse reaction to contact with aluminum. Do not use aluminum tools or allow the PMC to come into contact with any aluminum object.
This is an environmentally friendly product that contains recycled silver.
appointment Oven Prometheus PRO1 /7: Prg choice then Ra1 = full, Tc1 = 540, Hld1=30, Ra2=Full, Tc2=815, Hld2= 1 hour, Ra3=0000. Once the program is finished, the parts are left to cool completely in the oven or up to a temperature of 200°C
After firing, 925 pure sterling silver is obtained, marked
Made in Japan by Mitsubishi
*According to the tests carried out in the Studio Artkimia this note is interpreted as follows: 1 = quite brittle or porous and 10 = flexible, dense, can be formed plastically (bent, hammered, perforated...) This grade refers to the solid metal, after firing at the appropriate temperature and time.
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