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The following polymer clays are made in the U.S.A. by Polyform Products Company.

Sculpey III

(2 oz./56g)

available in many colors including  basic, intermediate, brights, pearls, translucent and metallics

very easy to condition. Because of its softness it is important to let the clay rest and set up before rolling into the shape you need. If not conditioned properly the finished baked piece may be brittle and quite fragile.

bakes to a smooth matte finish.

bake in a pre-heated oven at 275°F  (135°C) for 15 minutes per ¼" thickness

works well in clay extruders.

excellent clay for novices.

good definition when texturing the surface of the clay.


(2oz/56g. and 1 lb./454 g.)

professional modelling material

available in many colors including basics, neons, dayglow and nightglow, translucent, excellent lustrous metallics, and new designer colors.

although Promat is initially stiff, when exposed to the heat from your hands, it responds rapidly and does not crumble during the conditioning process.

condition well to avoid pigment separation.

bakes to a firm, extremely durable finish, not brittle or fragile, very strong. In thin sheets  it also has a certain flexibility.

Promat may be added to Sculpey 111 to increase its tensile strength. Blend extremely well and adjust baking time to allow for the Promat.

bake in a pre-heated oven at 275°F  (135°C) for 30 minutes per ¼" thickness.

excellent for sculptures, miniatures, wearable art, home decor and millefiori/ cane work to name but a few applications.

In terms of millefiori, Promat is excellent for canes of 5" diameter and less. It is not suitable for large, production size canes. These canes require a long reduction process and the Promat may cause distortion resulting in a misshapen cane.


(2lb.- 8lb. and 24lb.)

white only.

bake in a pre-heated oven at 275°F  (135°C) for 15 minutes per 1/4² thickness

good for novices, classroom uses, and simple compact structures with moderate detail.
can be used as an inner structure eg. a solid heart shape made from Sculpey is baked then colored with pencil crayons or other surface techniques. using this method you can then cover the detail with a final layer of translucent clay.

Super Sculpey

(1 lb. - 8lb. - 24 lb.)

semi-transparent beige pink clay.

very easy to condition

excellent sculpture medium, used both for finished art and in the production of prototypes for casting.

Super Sculpey can be added to the stiffer polymer clays for easier conditioning.
{See Also Supersculpey)

Sculpey Liquid Dilutent:

  • : useful for reconstituting Sculpey products which have become less pliable due   to warm storage conditions. Works well with all brands of polymer clays.

  • : After purchasing this product, you will wonder how you lived without it!

  • : Donna Kato, the in-house designer for Polyform, recently   shared other uses.


  • 1. Use as a glue when adding raw clay to previously baked clay.
    Stronger fusing will occur during the baking process.   
  • 2. When baked clay is carved, the exposed areas are lighter  in color.
    Brush these areas with a little diluent and re-bake.
  • 3. When using polymer clay as a "grout" for baked mosaic tile patterns:
    the raw clay is pressed into the spaces between the tiles.
    The excess is scraped away with a wooden stick.
    Then a cotton ball dampened with the diluent is used to remove any final traces.
    This will save a lot of time later, when sanding the final baked object.
  • In Michael's Arts and Crafts magazine, March/April issue 1997 there is a wonderful mosaic egg and hand mirror crafted by Donna Kato using this method.

    The manufacturer/distributer maintains a page at:

    See Also:
    Air dry Clays
    Sculpey (a)
    Sculpey (b)
    Fimo and Cernit
    One Artists View
    Other Clays
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