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Epoxy Clay

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ComposiMold Epoxy Clay is a premium slow cure self-hardening art and craft modeling

compound that gives you several hours of working time to sculpt, form, and mold

your artistic creations. The ComposiMold epoxy clay is a soft, but firm polymer

clay used for creative applications such as sculpture, wood restoration, model

making, and casting. It has the feel of a typical non-hardening polymer clay,

but it has the advantage of hardening to a strong plastic.

To use, mix each part together in equal amounts. One

advantage of our epoxy clay is the range of mixing that will still give

excellent curing and finished hardness. You can be off by 10 to 15% and still

cure properly. The most important part is to make sure the two parts are mixed


Spend 2 to 4 minutes mixing and kneading the putty together. You have 2 to 3 hours of working time to create your shape. 

Cure occurs in 14 hours, but give it a full 24 hours to

completely harden.

You can sculpt it, press it, or mold it. The epoxy clay is

extremely well suited for use in ComposiMold’s ImPRESSive Putty, reusable

molding materials that can be reformed by reheating. We’ll show you how each of

these molds shown here were made in separate videos. So be sure to subscribe to


You can color the epoxy clay using acrylic paints.

ComposiMold carries a wide range of different colors that are designed

specifically for our epoxies. These colors are very concentrated so you only

need a little bit to create deep opaque colors.

The epoxy clay is a strong, hard plastic, but it is designed

for arts and crafts. It is not suitable for any load bearing applications. The

cured finished clay can be sanded, drilled, or machined. To paint, first paint

with a primer and then you can paint with oils, acrylics, or other paints. If

you want to have the epoxy clay outdoors, we recommend sealing it with shellac or

urethane spray.

Thank you for watching. Please let us know what questions

you have, subscribe to our channel, and leave comments below. For more

information on all of our Products visit T

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Why ComposiMold for Mold Making? Because it works