Why is my polymer clay sticky after baking?

Experiencing sticky polymer clay after baking can be frustrating, but there are several reasons why this might occur, and solutions to address the issue.

Causes of sticky polymer clay:

  • Under-Baking: Insufficient baking time or temperature can lead to incomplete curing, resulting in a softer and sticky texture.
  • Unclean Surface: Contaminants on the surface of the clay before baking, such as oil or residue, can cause stickiness.
  • Packaging: Storing uncured polymer clay in plastic wrap or containers can cause a chemical reaction, leading to stickiness.
  • Heat Exposure: Overheating polymer clay during baking can cause the plasticizers to rise to the surface, creating stickiness.


  • Re-Bake: If the clay is slightly sticky, you can try rebaking it at the recommended temperature and duration.
  • Clean Surface: Thoroughly clean the clay’s surface before baking to remove any contaminants.
  • Proper Storage: Store uncured clay in a cool, dry place away from direct sunlight and in airtight containers.
  • Follow Baking Guidelines: Ensure accurate baking time and temperature to achieve complete curing.

If your polymer clay remains sticky after trying these solutions, it’s advisable to consult the manufacturer or experienced crafters for further assistance.

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