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Polymer clay is polymer polyvinyl chloride; it contains no clay minerals, and only shares the name to reflect that both can exhibit plasticity

Introduction

Polymer clay hardens by curing at temperatures created in a typical home oven (generally at 265 to 275 °F (129 to 135 °C), for 15 minutes per 1/4" (6 mm) of thickness), and does not shrink or change texture during the process. When properly cured, most clays create items which won't break if dropped or normally stressed. It also comes in liquid form and in permanently flexible solid form.

Polymer clay is sold in craft, hobby, and art stores, and is used by artists, hobbyists, and children. Leading brands of polymer clay include Premo, FimoClassic and FimoSoft, Kato Polyclay, Sculpey (Sculpey, SuperSculpey, Sculpey III), Cernit, Formello, and Modello.

Few tools are essential for use with polymer clay, and these can often be found around the house. MARGARET PEEL'S FIBRE SUPPLIES. A pasta machine is often used to create evenly flat sheets, to mix colors, to condition the clay, and to create patterned sheets.

Polymer clay is available in many colors. Special-effect colors such as translucent, glow-in-the-dark, mica-containing "metallics," and "stone" colors are also available. Clays can be mixed together to create new colors, gradient blends, or other effects.

Polymer clay can be colored with other media.