Polymer Clay

5 Expert Tips for Storage and Preservation of Polymer Clay

Polymer clay should be stored in a cool, dry place away from direct sunlight or extreme temperatures. The best way to store your polymer clay is to wrap it in plastic wrap or wax paper and then keep it in an airtight container. Make sure the lid is well-sealed so that no moisture can get inside and damage the clay.

It’s also a good idea to label the container with the clay’s type, brand and color so you can easily identify it in the future. It is best not to store polymer clay in a refrigerator since drastic temperature changes can cause cracking or crumbling. If you do decide to refrigerate your polymer clay, make sure that the container is also airtight and that you bring the clay up to room temperature before use.Polymer Clay

Additionally, it’s important to store open packages of unused polymer clay separately from other colors in order to avoid accidental mixing. Once polymer clay has been opened and used, it should be stored properly if there is any left over for future projects. Proper storage will help extend the life of your clay so you can get more bang for your buck!

How long can you store Polymer Clay?

Polymer clay can be stored for long periods of time when stored properly. Depending on the type of clay, it can last anywhere from one year to several years. However, some types of polymer clay may be more prone to degrading over time and should be used within 6-12 months of purchase.

To help extend the shelf life of your clay, store it in an airtight container at room temperature and away from direct sunlight or extreme temperatures. Additionally, make sure all tools (paint brushes, sculpting tools etc.) are clean before using with the clay as any residue left behind can speed up the degradation process.

For those who use polymer clay often or need to buy bulk amounts at a time, consider storing it in a freezer. This will help keep the clay fresh and prevent it from drying out. Make sure to seal your containers tightly when freezing, as this will also prevent bacteria from contaminating your clay.

Clay FAQ: How to Store Polymer Clay?

Keeping these storage tips in mind can help ensure that you get the most use out of your polymer clay supplies!

How do you keep Polymer Clay from drying out?

When storing Polymer Clay, it is important to keep it in a cool and dry place. Humidity can cause the clay to become brittle or crack, so it should be kept away from sources of moisture such as sinks and humidifiers. You should also avoid extreme temperatures, as they may cause the colors of your clay to fade over time. If you plan on keeping polymer clay for an extended period of time, you might consider investing in a plastic sealable container with a lid that can be tightly closed. This will help protect the clay from humidity and keep it at a consistent temperature. Additionally, you could wrap each piece of clay individually in waxed paper or use airtight containers to prevent the clay from drying out or becoming dirty. If you notice the clay shrinking, it’s a sign that it is drying out and should be kept in an airtight container. Proper storage of your polymer clay will ensure that your creations remain in top condition for years to come!

Does Polymer Clay need to be stored airtight?

Yes, polymer clay needs to be stored airtight in order to keep it from drying out. It is important to note that even when stored properly, the clay can dry up over time due to exposure to air and light. Therefore, you will need to keep your polymer clay in an air-tight container or bag and make sure it is sealed tightly before storing. Additionally, you should store your clay away from direct sunlight and heat sources as these can also cause the material to degrade quickly. You may also wish to wrap each individual piece of clay individually in wax paper or aluminum foil for extra protection against moisture loss and discoloration due to light exposure. If properly cared for, polymer clay can last many years without losing its integrity or color.

It is also important to make sure the container or bag you are storing your polymer clay in is clean and free of any debris. Any dirt, oils, or other contaminants on the surface of the clay can cause it to degrade over time. It is best to use a new container that has been thoroughly cleaned before storing your clay. Finally, it is essential to label each color and type of clay you have stored with a waterproof marker so you know what you are working with when retrieving it from storage. If possible, try to keep your containers organized by type and color for easy access. With these simple steps, you will be able to store your polymer clay correctly and enjoy its many uses for years to come!

Is it okay to leave Polymer Clay out?

No, it is not a good idea to leave polymer clay out in the open. Polymer clay is a type of modeling material that consists of polyvinyl chloride (PVC) particles held together by plasticizers and other bonding agents. When exposed to high temperatures or sunlight, these components can become unstable and break down. Additionally, leaving the clay out could also expose it to dirt, dust, and other contaminants which will limit its usability.

Can you reuse Polymer Clay after it’s been baked?

Yes, it is possible to reuse polymer clay after it has been baked. Generally speaking, all that is necessary to do to reuse clay is to condition and knead it in the palms of your hands until it becomes soft and pliable again. When reusing unbaked previously-used clay, keep in mind that the color may be slightly different from what it originally was due to exposure to air or other elements over time.Polymer Clay

Once you have conditioned and softened the clay, you can use cookie cutters, molds, stamps or any other tools desired in order to shape and/or finish the piece as desired. After this process, simply bake the polymer clay according to its instructions for a successful result! To ensure optimal longevity of your pieces, it is also recommended to seal them with a varnish or glaze after they have been baked.

When not in use, polymer clay should be airtight sealed inside an airtight bag and stored away from any extreme temperatures, direct sunlight, and other factors that can cause the clay to prematurely harden. It is also recommended to wrap the clay in one layer of wax paper before sealing it in the bag for added protection against moisture. With proper storage and care, polymer clay can last for years!

How do you store Clay after use?

Once you’ve finished using your Polymer Clay, it’s important to store it correctly to keep it in the best condition. After baking and cooling, be sure to store the clay in an airtight container or zip-top bag. This will help to protect the clay from dust, dirt and moisture which can cause discoloration or staining over time. It’s also a good idea to label the container with the type of clay so you don’t accidentally mix different types when crafting. Additionally, avoid storing polymer clay near sources of heat such as radiators or direct sunlight as this can cause warping or distortion of your pieces.

Getting Started with Polymer Clay: How to Store Polymer Clay

You should also take care to ensure that any unused pieces of clay have been sealed properly without any air inside. This can be done by pressing the clay together and rolling it out to expel any air pockets, or using plastic wrap or foil to wrap and seal the pieces. For particularly intricate designs, you may want to consider placing them in a sealed container without wrapping individual pieces as this can help prevent damage when storing multiple items in the same container. By following these simple steps, you can ensure your Polymer Clay remains in perfect condition for future crafting projects!

What is the best storage for Polymer Clay?

The best way to store polymer clay is to keep it sealed in an airtight container, such as a plastic bag or box. Some people also prefer to use plastic wrap around the entire package of clay before storing it away. This will help protect the clay from any dust, dirt, or other contaminants that may be in the environment. It is important to remember that if not properly stored, polymer clay can become dry and brittle over time. To avoid this problem, make sure your storage area has low humidity and no direct sunlight. Keeping your clay sealed tightly at all times will give you the longest shelf life for your craft projects!

When not actively working with polymer clay, try to minimize its exposure to heat. For example, if you need to transport your clay to a workshop or class, make sure it is stored in an insulated container. Additionally, store your polymer clay away from any direct sources of heat such as radiators or heating vents.

If you do find that some of your polymer clay has dried out, there are several ways to try and revive it. One option is to add a few drops of mineral oil into the package and knead the clay until the oil is spread evenly throughout the material. You can also place wet towels over the clay and let them sit for several hours before kneading. Alternatively, you can also use a microwave-safe bowl with a damp paper towel inside and heat it at 10-second intervals until desired consistency is achieved.

Finally, it is important to remember that polymer clay should not be used as a food item and should always be kept away from children and pets. Doing so will ensure your projects last for many years to come!

Is it OK to put water on Polymer Clay?

No, it is not recommended to put water on Polymer Clay. Water can cause the clay to swell and expand, resulting in cracks or other damage. In addition, moisture from water can also cause the clay to become sticky or even melt. If you need to add moisture to polymer clay for any reason, use a small amount of alcohol-based liquid clay conditioners instead. These specially formulated products are designed specifically for this purpose and will help keep your polymer clay pieces in good shape.

What can I store Polymer Clay in?

There are a few different types of containers that can be used to store Polymer Clay. The best and most versatile container is an airtight plastic container with a lid. These come in various sizes, so it’s easy to find one that fits all your clay needs. A smaller container like a plastic zipper bag or an ice cube tray can also be used to store small amounts of clay if they’re not being mixed together. For larger quantities, specially designed polymer clay storage boxes are available with compartments of varying sizes for organizing the different colors and brands of clay.

When storing any type of Polymer Clay, make sure the lid is firmly closed and secure to ensure none of the moisture gets inside and damages the clay. If the lid is loose, you can use a piece of tape to make sure it’s airtight. It’s also important to make sure any unused clay is stored away from direct sunlight or heat sources as this can cause the material to degrade over time.

Finally, be sure to label your containers so that you know what type and how much clay is inside each one. This will help keep your project materials organized and easily accessible when needed. With these simple tips, you’ll have no problem finding the right container for storing Polymer Clay!

Can you store Polymer Clay in cling film?

Yes, you can store Polymer Clay in cling film. Wrapping the clay with a layer of cling film will help to maintain its moisture and keep it from cracking or crumbling as it cures. Be sure to double-wrap the clay and seal the edges tightly so that no air can enter. Additionally, if you have multiple colors of clay, be sure to wrap each color separately so they don’t mix together. Taking this extra step will help preserve your project for longer periods of time.

How do you store Clay without it drying out?

Polymer clay should be stored in an airtight container or sealed bag. It is important to keep the clay sealed, as exposure to air can cause it to dry out and become unusable. Additionally, storing the clay away from direct sunlight can help slow down the drying process. If there are multiple colors of clay in a single container, make sure that each color is wrapped separately in cling wrap or wax paper before placing them inside the storage bag or container. This will help prevent colors from bleeding into one another.Polymer Clay

When not actively using clay, store it at room temperature (no higher than 75 degrees Fahrenheit). Clay kept at temperatures higher than this may become too soft and difficult to work with. Finally, make sure that any surfaces the clay touches are completely clean, as even a trace of dirt or oil can cause issues with adhesion.

Following these tips will help ensure that your polymer clay stays soft and pliable for future projects. Happy crafting!

Do you have to condition Polymer Clay every time you use it?

No, it is not necessary to condition polymer clay every time you use it. However, conditioning the clay before using it can help to make the clay more pliable and easier to work with. To condition polymer clay, knead the desired amount of clay in your hands until it is soft and malleable. If needed, you can use a rolling pin or pasta machine to further soften and flatten the clay into a more even sheet. This process may need to be done multiple times if working with larger amounts of clay. Once conditioned, the polymer clay should remain soft and flexible until ready for storage again.

How long can I leave Polymer Clay out before baking?

When it comes to polymer clay, you should be aware that the clay has a shelf life and will not last forever. Different brands of polymer clay have different shelf lives (usually indicated on the package) so make sure to check the manufacturer’s instructions for specific storage and use timeframes. Generally speaking, however, you should not leave polymer clay out for more than 24-48 hours without baking because it can dry out or become too soft. If your clay is left in a very hot environment, such as an unventilated car in summertime, then it may need to be baked sooner than the suggested timeline. It’s also important to note that when storing polymer clay, there should be enough room between each piece of clay so that air can circulate and keep the clay from sticking together. If you’re using an airtight container, make sure to poke some holes in the lid or cover with parchment paper so that the clay doesn’t become damp.

How to Store Polymer Clay

Now that you know how best to store polymer clay and how long it can be left out, you’ll be able to enjoy crafting with this versatile material for years to come! Have fun creating your unique masterpiece!

Is Polymer Clay easily breakable?

Yes, polymer clay is quite fragile and it is important to handle and store the clay with care. If you drop or mishandle the clay, it can easily break or crack. It is important to keep your working area clean and dry while using polymer clay.

How should I store Polymer Clay?

When not in use, it is best to wrap each color of polymer clay separately in plastic wrap or an airtight container so that it does not dry out before its next use. To make sure that the colors stay true and don’t mix together, make sure to completely cover each piece of clay individually with plastic wrap. You should also store each colored piece of clay on its own shelf/drawer or in a separate container. If you need to store the clay for a longer period of time, it is best to store it in an airtight container with some sort of desiccant material such as silica gel packs or corn starch.

If you plan on using polymer clay multiple times, it is also important to clean and condition the clay before each use. Cleaning and conditioning helps make sure that your clay remains soft and pliable while storing, preventing it from becoming brittle over time. To clean and condition the clay, knead it until it’s smooth before wrapping it up in plastic wrap again for storage.

By following these simple steps for properly storing your polymer clay, you can ensure that the clay remains soft and easy to work with whenever you’re ready to use it. With the right care, your polymer clay can last for years!

How long does Polymer Clay last after opening?

Polymer clay can last up to 6 months after opening if stored correctly. To ensure that the clay does not dry out, it should be stored in a sealed plastic bag or container with a damp cloth. If the clay feels sticky or oily upon opening, kneading it for a few minutes will help restore its original texture and workability. Additionally, keeping polymer clay away from direct sunlight and heat sources is important to preventing any deterioration over time. It’s also best to keep the same type of colors separated from each other as some may affect each others’ chemistry and lead to discoloration or other changes in appearance. With proper storage techniques, you can get the most out of your polymer clay projects!

Do you seal Polymer Clay after baking?

Most polymer clay brands recommend sealing the clay after baking. This helps to protect the finished piece from scratches, dirt and dust. Sealing also prevents fading or discoloration due to exposure to sunlight or other environmental elements. Many brands of polymer clays come with their own sealants, such as a brush-on sealant for beads or a spray sealant for larger pieces. Alternatively, you can use a clear acrylic sealer available at any craft store. Before applying the sealant, make sure your clay has completely cooled down after baking and is free from dust and oils. Apply a thin coat of sealant using a soft cloth or paintbrush in even strokes until all surfaces have been covered. Allow time for the sealant to dry before handling or storing your clay.

How many times can you bake Polymer Clay?

Polymer clay can be baked multiple times depending on the brand and type of clay. Most brands recommend baking the clay for 30 minutes at a low temperature, such as 265°F or 130°C, for each time it is baked. It is important to follow the instructions of the particular brand you are using so that your polymer clay does not become over-baked or too brittle.Polymer Clay

When re-baking polymer clay, it is also important to ensure that all pieces have been heated evenly throughout. If only some parts are exposed to heat while others are not, warping or cracking may occur due to uneven temperature changes when cooled. To prevent this from happening, use an oven thermometer and rotate your piece often during baking.

When storing your polymer clay, always try to keep it away from extreme temperatures and direct sunlight. It should be stored in an airtight container or bag, either wrapped in wax paper or sealed inside a plastic bag. Avoid any moisture coming into contact with the clay as this can cause it to become sticky, dry out, or crack. Polymer clay is also very fragile and can easily break when dropped or handled roughly – so treat it with care!

Environmental Protection & Energy Saving

Polymer clay is a versatile and low-cost material. It can be used to create intricate shapes, colors, and textures that are often used in jewelry and other crafts. But how do you store this material? Proper storage of polymer clay is essential for its longevity and quality, as well as for environmental protection and energy saving.

When it comes to storing polymer clay, temperature should be taken into consideration first. This type of clay should be stored at room temperature or slightly cooler temperatures between 60-70°F (15-21°C). Excessively hot or cold environments may damage the material over time.

how to store polymer clay after opening ⭐

Humidity levels also need to be monitored carefully when storing polymer clay. The ideal relative humidity level should be between 40-60 percent. This humidity level can be easily maintained by using a dehumidifier in areas with higher levels of moisture or using a humidifier and air conditioning in dry climates.

It is important to ensure that the clay does not freeze, as this may cause it to become harder, brittle, and break apart more easily. You should also avoid storing your polymer clay in direct sunlight or near sources of heat as these environments can lead to fading or warping of the material over time.

When it comes to containers for storing polymer clay, you should choose materials that are non-porous such as glass, metal, ceramic, plastic, or wood which will help maintain an ideal temperature and humidity level. It is also important to make sure that the container has a tight-fitting lid or cover to prevent moisture from getting into the clay.

Finally, it is important to keep your polymer clay stored away from other materials such as solvents and chemicals which can compromise the quality of your material. Additionally, you should always check on your material periodically to ensure that it is still in good condition before using it for crafting projects.

By following these simple tips, you can ensure that your polymer clay remains in great shape so you can enjoy all of its wonderful benefits for years to come!

Safety Tips

  • Polymer clay should always be stored away from children and pets.
  • Polymer clay should be kept in an airtight container to protect it from dirt, dust, and humidity.
  • Avoid exposing the polymer clay to direct sunlight or heat sources as this may cause the material to degrade over time.
  • When not in use, store polymer clay at room temperature in a dry place.
  • If you need to transport your polymer clay, put it in a sealed bag or box so that it doesn’t get damaged.
  • Clean up any excess clay before storing it since dried bits of clay can damage the material’s texture and color if left unchecked.
  • Always make sure that all utensils and tools used to work with polymer clay are cleaned properly before storing.
  • Lastly, make sure that you keep the clay away from any water or moisture as this could cause it to become brittle and unusable.

Basic Terms of Polymer Clay Storage

When it comes to storing polymer clay, there are a few key terms you should know. The first is curing or baking the clay. This process is done in a pre-heated oven of 265F for 30 minutes per 1/4 inch of thickness of the clay piece. This will harden the clay and make it easier to work with and store. It’s important to note that if your piece is too thick, it won’t cure properly and won’t be as durable.

How to store polymer clay | what’s in my polymer clay storage box

The next term you should know is “conditioning.” Conditioning helps keep the clay soft and pliable so that you can easily manipulate it into whatever shape you choose. You can condition your clay by kneading it with your hands or using a clay conditioning machine. It’s important to remember to condition your clay regularly and store it in an airtight container so that it doesn’t dry out or become brittle.

Finally, you should know the term “sealing.” Sealing is essential for protecting the clay from dirt and dust while in storage. You can seal polymer clay pieces by painting them with a thin layer of glaze, varnish, or even clear nail polish. This will help prolong the life of your piece and make sure it looks great for years to come.Polymer Clay

Now that you’re familiar with these basic terms, you can start learning about how best to store polymer clay! Keep in mind that all clays are slightly different and may require specific storage needs. For example, some clays must be stored in a dark place or with an airtight seal, while other can be left out on the countertop. Whatever your clay’s instructions are, make sure to follow them carefully to ensure optimal safety and longevity of your pieces.

Best Practices for Storing Polymer Clay

Polymer clay is a versatile material used for creating sculptures, jewelry, and a variety of other decorative home decorations. It’s important to store polymer clay correctly so that it can be used again in the future. Here are some best practices for storing polymer clay:

  1. Choose an airtight container with enough space for all the pieces of polymer clay you have. This will help keep out dust and prevent the clay from drying out or becoming brittle over time.
  2. Make sure your container has a snug-fitting lid or seal to protect against moisture and humidity buildup which can cause damage to the clay.
  3. Label each piece of clay clearly with its color name or number. This will help you identify and find the clay more easily in the future.
  4. Store polymer clay away from direct sunlight or other sources of heat, as this can cause it to become brittle over time. A cool, dry place is most ideal for storing polymer clay.
  5. If possible, store uncured pieces of clay separately from those that have been cured, as they may react with one another if mixed together prematurely.

By following these best practices for storing polymer clay correctly, you can ensure your materials remain usable and ready to use when needed!


How do I store polymer clay?

To store polymer clay, it’s best to keep it in a cool, dry place away from direct sunlight. You can also wrap your clay in plastic wrap or place it in an airtight container or heavy-duty zip-top bag. This will help keep the clay from drying out and prevent any dust or dirt from getting into the clay. Make sure you label each piece of clay with the type of polymer used so that when you’re ready to use it again, you know which one is which! Additionally, if you have an excess amount of unused clay, consider freezing it for longer term storage – just make sure to thaw it fully before using.

How do I keep polymer clay from sticking to surfaces?

To prevent your polymer clay from sticking to surfaces, make sure you use some kind of barrier between the clay and the surface. This can range from using a sheet of parchment paper or wax paper as a work surface to greasing up a rolling pin with oil before rolling out your clay. Additionally, if you’re using molds or other tools while working with the clay, make sure they’re also lightly greased with oil or even a release agent like petroleum jelly or vaseline. This will help minimize any mess and make it easier to remove your finished pieces when ready. Additional tips: Keep in mind that most types of polymer clays will become softer and more malleable when warmed up slightly. If you find yourself having trouble with sticking or other issues, try heating the clay up in your hands for a few seconds before handling it – this can help make it easier to work with. Finally, don’t forget that polymer clay is an incredibly versatile art medium so there are endless possibilities when it comes to designing and creating different pieces! Have fun and explore the world of polymer clay!

How should I store my finished pieces made from polymer clay?

When storing your finished pieces made from polymer clay, make sure they’re placed in a cool, dry place away from direct sunlight as well. Additionally, if you used any type of molds or tools when creating the piece, make sure they’re thoroughly cleaned before storing them away. For added protection against dust and dirt, consider placing your finished pieces in an airtight container or zip-top bag. Finally, if you plan on gifting your polymer clay creations to someone else, wrapping them up in tissue paper can also add a nice touch! Overall, proper storage is key for making sure your polymer clay projects look just as good (if not better!) when you take them out again!

Can I bake my polymer clay pieces multiple times?

Yes, depending on the type of clay being used it is generally safe to bake unfortunately cured polymer clay pieces more than once. However, it’s important to keep in mind that the clay can become more brittle or fragile after multiple bakes, so be gentle when handling your pieces. Additionally, make sure you follow all of the baking instructions specific to the type and brand of polymer clay you are using. If done improperly, repeated baking could cause your pieces to crack or warp – not ideal! Overall, if possible try to avoid multiple bakes and instead focus on getting your design just right before the initial bake. This will help ensure that your finished piece looks exactly how you want it!


Storing your polymer clay correctly is essential to ensure that the material can be used for a long time and remain in perfect condition. It’s important to keep the clay away from extreme temperatures or UV light, since these can cause it to degrade over time. Make sure you store it in an airtight container and keep it away from dust, dirt and other debris. If you follow these guidelines, your polymer clay will remain safe and usable for years to come!





2 responses to “5 Expert Tips for Storage and Preservation of Polymer Clay”

  1. Mary Avatar

    What are some common mistakes people make when storing polymer clay?

    1. admin Avatar

      Some common mistakes people make when storing polymer clay include exposing it to direct sunlight, extreme temperatures, and moisture. It is important to keep it in an airtight container and store it in a cool, dry place.