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Firing Guides & Information

Cyprus Copper Clay Firing Guide


Offered in lump (wet) form, this clay is waterbased, air dries and fires to .999 pure copper. Economical, easy to form, fire and finish, the fired clay presents as beautiful on its own or as the perfect platform for enameling projects.

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FS999 Fine Silver Clay Firing Guide


FS999 has a low shrinkage rate of 8-9% and can be kiln fired only.

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EZ960 Sterling Silver Clay Firing Guide


No two part mixing and no carbon required. Sterling silver alloy with wonderful strength.

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PMC Fine Silver Clay Firing Guide


Covers all the PMC Fine Silver clay products.

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OneFire PMC STERLING Firing Guide


96% fine silver and 4% copper. No carbon required.

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One Stage Firing Method Guide

PMC STERLING Clay Firing Guide


.925 Sterling Silver alloy clay fires in carbon.

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BRONZclay (Original) Firing Guide


Everything you need to know about firing BRONZclay by Metal Adventures.

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FASTfire BRONZclay Firing Guide


So easy to fire! Get started with our complete instructions.

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COPPRclay Firing Guide


Learn how to make slip, fire and finish this easy to use copper metal clay.

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White COPPRclay Firing Guide


Learn how to make slip, fire and finish this easy to use copper metal clay.

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Aussie Metal Clay Firing Guide


There are many different Aussie Metal Clays; each with a different firing guide. Please click on the product page for the corresponding firing information.

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Five Star Clay Firing Guide


All colors can be fired together with Five Star Clay!

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Hadar's One-Fire Clay Firing Guide


Hadars Clay One-fire clays have a very long shelf life and nice consistency, are non-toxic, and do not contain allergenic ingredients such as nickel.

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Goldie Clay Firing Guides


Goldie Clay includes a full line of base metal clays - Bronze, Iron, Brass and Copper. These clays all come in powder form with a very long shelf life.

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Quick Reference Firing Schedule - Silver





Embedded Objects Any object that can withstand the firing temperatures and times of silver metal clay can be embedded and fired in place. Some natural gemstones, lab gems and cubic zirconia can be used, as well as porcelain. Check out our Gemstone Firing Guide for details on a specific stone.

Firing Schedules
Temperature Hold Time
FS999







EZ960




PMC3






PMC Flex




PMC Plus




Art Clay Silver





Art Clay Silver 950


Metal Magic Sterling



1650F / 900C
1600F / 871C
1550F / 843C
1450F / 788C
1400F / 760C


1675F / 913C
1700F / 927C
1725F / 941C


1650F / 899C

1560F / 849C
1290F / 699C
1200F / 649C
1110F / 599C
Torch - Red Glow

1650F / 899C
1290F / 699/C
1200F / 649C
1110F / 599C

1650F / 899C
1560F / 849C
1470F / 799C
Torch - Red Glow

1650F / 899C
1600F / 871C
1560F / 849C
1472F / 800C
Torch - Red Glow


2 Stage:
1) 932F / 500C
2) 1598F / 870C

2 Stage:
1) Open Shelf: 1000F / 538C
2) Firing container with Activated Carbon:
1550F / 843C
30 minutes - 2 hours (optimum)
1 hour
3 hours
4 hours
6 hours

2 hours (optimum, if bending post firing - 3 hours)
1 hour
15 minutes (additional firing recommended if used in a class situation)


2 hours (optimum)
20 minutes
10 minutes
20 minutes
45 minutes
5 minutes (may vary depending on thickness)

2 hours (optimum)
10 minutes
20 minutes
45 minutes

2 hours (optimum)
20 minutes
30 minutes
5 minutes (may vary depending on thickness)

2 hours (optimum)
10 minutes
20 minutes
30 minutes
5 minutes (may vary depending on thickness)



30 minutes (then increase temperature for stage 2)
1 hour (allow to cool in kiln)

30 minutes



2 hours