Polymer clay is a type of hardenable modeling clay based on the polymer polyvinyl chloride. It typically contains no clay minerals, but like mineral clay a liquid is added to dry particles until it ...

Does polymer clay need to be baked?

No, you cannot air-dry polymer clay. Polymer clay has to be baked at the correct temperature for it to harden. ... If you leave it out in room temperature, you do not have to worry about it hardening before you're ready to bake. If you need to step away from your project for a few hours, no problem.

What is the difference between polymer clay and normal clay?

As a whole, the main difference between air dry clay and polymer clay is that polymer clay is a type of thermoplastic that hardens once it is baked in a regular oven. Air-dry clay is a clay and glue mixture that air dries. Polymer clay is more durable and water-resistant while air dry clay is cheaper.