Can polymer clay get wet?

Polymer clay is a versatile and popular crafting material known for its pliability and vibrant colors. Whether you’re a seasoned artist or just starting out, you might find yourself wondering: can polymer clay get wet? This question is important to consider, as understanding the water resistance of polymer clay can impact the longevity and durability of your creations.

The Basics of Polymer Clay

Polymer clay is a type of modeling clay that is composed of polymer polyvinyl chloride (PVC) particles along with plasticizers, pigments, and other additives. When properly cured, polymer clay becomes hard and durable, making it an ideal material for creating jewelry, sculptures, figurines, and various decorative items.

Water Resistance of Polymer Clay

Polymer clay is generally water-resistant to some extent, but its level of resistance depends on factors such as the brand of clay, the baking process, and the protective finish applied. When polymer clay is properly cured at the recommended temperature and time, it undergoes a chemical transformation known as polymerization. This process causes the PVC particles to fuse together, resulting in a solid and relatively water-resistant structure.

However, while polymer clay can withstand occasional contact with water, it is not completely waterproof. Prolonged exposure to water or submersion can potentially lead to changes in the clay’s texture, color, and overall integrity. Water can seep into small cracks or imperfections in the clay, causing it to weaken over time.

Protecting Polymer Clay from Water

If you plan to create items that may come into contact with water, there are several steps you can take to enhance the water resistance of your polymer clay creations:

  • Sealing: Applying a clear sealant or varnish to your cured polymer clay can provide an additional layer of protection against moisture. Make sure to choose a sealant that is compatible with polymer clay and follow the manufacturer’s instructions.
  • Avoiding Submersion: While polymer clay can handle some water exposure, it’s best to avoid submerging your creations in water for extended periods.
  • Proper Curing: Ensuring your polymer clay is properly cured is crucial for its water resistance. Follow the recommended baking temperature and time specified by the clay manufacturer.
  • Regular Maintenance: If your polymer clay creations come into contact with water, gently pat them dry with a soft cloth and allow them to air dry completely.


In conclusion, polymer clay is moderately water-resistant when properly cured and finished. While it can withstand occasional exposure to water, it is not completely impervious to moisture. By following proper curing techniques, applying protective finishes, and taking precautions to prevent prolonged water exposure, you can create polymer clay items that maintain their beauty and durability over time.

Remember that experimenting with different techniques and finishes can help you achieve the desired level of water resistance for your specific projects. Whether you’re crafting jewelry, sculptures, or other creative pieces, understanding how polymer clay interacts with water will contribute to your success as a polymer clay artist.

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