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PMCinsider logo and the PMC logo are symbols for Precious Metal Clay products
PMCinsider—the official US Website for Precious Metal Clay products.
  •   
  • ProductsThe PMC Family
    • Products & Firing Manuals
    • PMC+
      • 25 grams
      • 4.4-gram Sheet
    • PMC3
      • 5 grams
      • 15 grams
      • 50 grams
      • 15-gram Paste
      • 9-gram Syringe
    • PMC Flex
      • 3 grams
      • 5 grams
      • 15 grams
      • 50 grams
    • PMC OneFire 950
      • 25 grams
      • 50 grams
    • PMC 925 Sterling
      • 25 grams
      • 50 grams
    • PMC Aura 22—1.4 grams
    • PMC Gold—3 grams
    • PMC Aqua—10 ml
  • VideosLearn How
  • About UsOur Story
  • Contact UsGet Answers
PMCinsider
  •   
  • Products
    The PMC Family
    • PMC+
      • 25 grams
      • 4.4-gram Sheet
    • PMC3
      • 5 grams
      • 15 grams
      • 50 grams
      • 15-gram Paste
      • 9-gram Syringe
    • PMC Flex
      • 3 grams
      • 5 grams
      • 15 grams
      • 50 grams
    • PMC OneFire 950
      • 25 grams
      • 50 grams
    • PMC 925 Sterling
      • 25 grams
      • 50 grams
    • PMC Aura 22—1.4 grams
    • PMC Gold—3 grams
    • PMC Aqua—10 ml
  • Videos
    Learn How
  • About Us
    Our Story
  • Contact Us
    Get Answers
Understanding Your PMC
Understanding Your PMC

Learn how PMC looks and feels when it is properly hydrated.

Tools for Working with PMC
Tools for Working with PMC

Learn about the tools you will need to create jewelry with PMC.

Abrasive Tools for PMC
Abrasive Tools for PMC

Learn about all the different tools to refine your PMC creations.

Drilling Holes in Dry PMC
Drilling Holes in Dry PMC

Learn how to make professional holes in dry PMC piece with a small drill.

Heart Shaped Pendant with PMC Syringe
Heart Shaped Pendant with PMC Syringe

Learn how to create a heart-shaped pendant using PMC3 syringe by forming it around a core with open, lacey threads of clay.

PMC Open Heart Pendant Molding Technique
PMC Open Heart Pendant Molding Technique

Learn to make this open, heart-shaped pendant by working a snake of PMC clay into a elegant piece.

Make orizuru (paper crane) with PMC Sheet
Make orizuru (paper crane) with PMC Sheet

PMC Sheet type is a silver clay which is like paper. Make a pierced earring of orizuru (paper crane) with a 3cm square sheet.

Make silver leaf pendants with PMC Paste
Make silver leaf pendants with PMC Paste

PMC Paste, normally used for glueing silver clays together, can make a silver leaf with natural patterns of veins from a real leaf.

Make a texture ring with PMC Flex
Make a texture ring with PMC Flex

PMC Flex, as the name says, is a flexible silver clay even in air dried state. It is easy for beginners to handle with a longer working time.

Make the core for molding PMC rings
Make the core for molding PMC rings

Learn how to make this ring core material which is a useful, recommended process for molding PMC rings around it.

Craft punched silver charm made with PMC flex
Craft punched silver charm made with PMC flex

Learn how to use PMC Flex to make a clay sheet with a textured-surfaced to cut with craft punches to make silver charms.

Braided free size ring with PMC Flex
Braided free size ring with PMC Flex

Use PMC Flex to make flexible snakes of clay that are easily braided into this wrap-style ring that's adjustable.

Cross pendant formed with punch
Cross pendant formed with punch

Using a die punch to make two-part cross pendant with silver PMC clay.

Silver charm bracelet with Blue Mix silicon mold
Silver charm bracelet with Blue Mix silicon mold

Workong with two-part silcone molding material, copy charm elements and cast them out silver PMC clay.

Gecko pendant with Gold paste Aura 22
Gecko pendant with Gold paste Aura 22

Working with silver PMC clay and gold paste Aura 22, make a pendant that shows off these two metal clays together.

Create Unique Molds to Use with PMC
Create Unique Molds to Use with PMC

Learn ways to carve wax textures and mold-making techniques.

Free making pendant with PMC3
Free making pendant with PMC3

Learn how to work with PMC3 to manipulate the silver metal clay with your hand to make a free-form pendant.

Adding Embeddables—Links on PMC
Adding Embeddables—Links on PMC

Learn how use Embeddables components—a micro alloy specifically made for PMC—for links.

Create PMC Earrings
Create PMC Earrings

Simple PMC silver earring project, easy for a beginner.

Make a Bypass PMC Ring with Stamps
Make a Bypass PMC Ring with Stamps

Follow along to make this quick ring project.

Adding Gem Stones to PMC
Adding Gem Stones to PMC

Learn how to embed fireable stones in PMC.

Enamel on PMC Fine Silver
Enamel on PMC Fine Silver

Learn how to add enamel color to PMC fine silver.

Keum-boo surface technique on PMC
Keum-boo surface technique on PMC

Learn how to add gold foil to a PMC surface.

Finishing Techniques
Finishing Techniques

Learn the steps on finishing your PMC projects.

Programming Your PMC Kiln
Programming Your PMC Kiln

Learn how to preset your PMC kiln firing schedules.

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Understanding Your PMC Tools for Working with PMC Abrasive Tools for PMC Drilling Holes in Dry PMC Heart Shaped Pendant with PMC Syringe PMC Open Heart Pendant Molding Technique Make orizuru (paper crane) with PMC Sheet Make silver leaf pendants with PMC Paste Make a texture ring with PMC Flex Make the core for molding PMC rings Craft punched silver charm made with PMC flex Braided free size ring with PMC Flex Cross pendant formed with punch Silver charm bracelet with Blue Mix silicon mold Gecko pendant with Gold paste Aura 22 Create Unique Molds to Use with PMC Free making pendant with PMC3 Adding Embeddables—Links on PMC Create PMC Earrings Make a Bypass PMC Ring with Stamps Adding Gem Stones to PMC Enamel on PMC Fine Silver Keum-boo surface technique on PMC Finishing Techniques Programming Your PMC Kiln
Product Finder &
Firing Manuals 

Silver & Gold Precious Metal Clay
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Resource Finder

List of Resources that
Sell PMC & Related Items

Welcome to PMCinsider.

This Website is dedicated to learning everything about our products—Precious Metal Clay®—with instruction on how to use them effectively.

Precious Metal clay is a crafting medium consisting of very small particles of metal—providing both silver and gold types—mixed with an organic binder and water for use in making jewelry, beads and small sculptures. Originating in our Japan factory in 1990, metal clay can be shaped just like any soft clay, by hand or using molds. After drying, the clay can be fired in a variety of ways such as in a kiln, or with a handheld gas torch, depending on the type of clay and the metal in it. The binder burns away, leaving the pure sintered metal. Shrinkage of between 8% and 20% occurs (depending on the product used). Alloys such as PMC Sterling 925 and PMC OneFire Sterling 950 also are available.

 

History of Precious Metal Clay (PMC)

Metal clay first came out in Japan in 1990 to allow craft jewelry makers to make sophisticated looking jewelry without years of study most people need to make fine jewelry.

Objects made from fine silver metal clay contain 99.9% pure silver, which is suitable for enameling. Lump metal clay is sold in sealed packets to keep it moist and workable. The silver versions are also available as a softer paste. It comes in a pre-filled syringe which can be used to produce extruded forms and it also comes in small jars of slip. There are paper-like sheets of PMC—from which most of the moisture has been removed—that can be used for origami and appliqué.

Metal clay artists looking for more strength in their silver creations can either mix equal parts of PMC fine silver clay with PMC Sterling clay or purchase it as PMC OneFire Sterling 950. Because the clay is a sterling silver alloy, one of its best attributes is its superior post firing strength in comparison to fine silver. This clay is fired on a raised, open shelf at 885°C (1625 °F) for 1 hours, full ramp. No carbon required. Its shrinkage rate is approximately15–20%.

 

The PMC Product Family

PMC was developed in the early 1990s in Japan by metallurgist Masaki Morikawa. As a solid-phase sintered product of a precious metal powder used to form a precious metal object. The material consists of microscopic particles of fine silver or pure gold and a water-soluble, non-toxic, organic binder that burns off during firing. Success was first achieved with gold and later duplicated with silver.

The PMC brand includes the following products:

  • The original formula of PMC, was called "Standard" (discontinued). PMC+: fired at 900°C (1650°F) for 2 hours or 800°C (1470°F) for 30 minutes; shrinks 15%, due to a particle size reduction.
  • PMC+ is also available in sheet form which can be worked like paper; for an example, origami. PMC3 & PMC Flex: fires at a range of temperatures/times—from 599°C (1110°F) for 45 minutes to 900°C (1650°F) for 2 hours and shrinks by 10%. Small pieces can also be fired using a butane torch by heating it to orange heat for at least 5 minutes. It has a longer working life than the older formulations. It is also available in thick slip (paste forms) which can be used for connecting clay parts or painted onto the surface of an object to create a relief design.
  • Aura 22, a 22-carat gilding material is a gold paste intended to be painted onto the surface of silver PMC pieces, or ready-made silver objects.
  • PMC Pro (discontinued), a harder product which is only 0.900 fineness silver, hence it cannot be hallmarked as sterling silver.
  • PMC Sterling (925) is fired at 815°C (1499°F) and shrinks by 10–20%. Because of the copper content in this formula, firing is a two-step process. Step one is an open-shelf firing and step two requires a firing pan with activated carbon media.
  • PMC OneFire Sterling (950) is a versatile PMC. It's been formulated so that it can be fired without carbon in the open-air at 885°C (1625°F) for 1 hour, it comes out of the kiln as a sterling silver object.
  • PMC 22k Gold is the strongest PMC material. It can be torch and kiln fired 700°C (1290°F) for 90 mins.; 900°C (1650°F) for 10 mins.
Details
Created: 29 June 2018
Last Updated: 02 December 2018

PMC Aqua 10ml

New Aqua solution is formulated to recondition PMC when you need to make PMC clay more flexible. It only takes a few drops to get the clay into this flexible condition—making it easier to manipulate.

This hydration solution from PMC® restores your metal clay—any metal clay—to optimal working consistency. Superior to simply using distilled water, the characteristics of this special formulation not only rehydrate slightly over-dried clay but can restore completely dried-out clay to optimal workability. PMC Aqua is also extends the working life of your PMC by rehydration. When used with PMC Flex™ clay, Aqua creates a "super-flex" clay that offers even more working time. If desired, you can even use this solution to create your own clay sheets or clay slip, making the clay ideal for weaving fine designs.

This solution is delivered in a convenient two-way dipenser lid; dispense by the drop or pour out larger amounts. 

 

Learn about our PMC products and best practices for more successful results.

We have a number of beginner videos that provide insights about how to get started. One topic is on the proper moisture of lump clay, steps to keep your clay properly hydrated and malleable. Other topics cover many of the simple tools that make it easy to manipulate PMC products, and how to refine your designs with abrasive products.

We are planning more videos. One to cover "How to properly load your kiln" and "Fire your PMC projects to obtain consistent results and maximum strength". Other videos will include topics on how to get the most from flex clay, hollow forms, simple tube construction, using molds, and much more. So check one of our video channels often.

Watch Our Videos

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PMCinsider.com, the official site of PMC products.

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