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25 Jun 201530 May 2014 These firing instructions are specific to the new Art Clay Copper. Other low fire copper clays may have different firing instructions according to Firing Art Clay Copper is easy compared to other brands, although it does have it's own The following instructions are a very basic overview of the process. Art ClayTM Copper Instructions. [Features]. 0 Art Clay. TM Copper is a clay material After firing in the kiln, the surface layer of the piece will oxidize similar to Copper Clay Firing Instructions. Firing Thin Pieces. For pieces that are 6 cards (3mm) thick or less, fire according to the following program: Ramp at full speed to Follow the two-phase firing schedule below if you plan to enamel your piece. Phase 1 (open-shelf fire) For pieces 3mm thick or less: Place the piece directly on the firing shelf. Ramp at 500°F/hour (278°C/hour) then hold at 560°F (293°C) for 15 minutes. Firing Prometheus® Copper Clay is easier than ever; you simply need 30 . step firing temperature, refer to the firing instructions of the clay which requires the Art Clay Copper only requires a 30 minute kiln firing time and you don't need to use any activated carbon or firing pans - you can even fire it with a torch! Cyprus™ Copper Clay Firing Guide Get started with our complete instructions. Learn how to make slip, fire and finish this easy to use copper metal clay. When Prometheus copper clay is fired in a kiln, the organic binder evaporates, burns away and you're Firing of Prometheus copper clay; you have 3 choices: