Maya Ellison
Plastic containers can get stuck together due to changes in air pressure in the vacuumed area between them. The longer they are left stacked, the more likely they are to settle and become stuck. To avoid this, place sections of newspaper or cardboard between containers before stacking. If they do get stuck, one method to separate them is to place the containers in a sink or bathtub, cover the outside container halfway with hot water, and fill the inside container halfway with ice and cold water. After two to three minutes, the containers should come apart.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Place containers in | Sink or bathtub |
| Fill with | Hot tap water |
| Fill the inner container with | Ice and cold water |
| Wait | 2-3 minutes |
| Pull | Containers apart |
| Wash containers with | Mild dishwashing detergent |
| Dry with | Cloth |
| Place containers | In the freezer |
| Wiggle | Containers apart |
| Hit | Stuck seam |
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What You'll Learn
Use hot and cold water
If your plastic containers are stuck together from stacking, don't worry—you can use hot and cold water to easily separate them. This method works because cold makes objects contract, while heat causes them to expand.
First, place the containers in a bathtub or sink, depending on their size. If your containers are small, a sink will do; for larger containers, you may need a bathtub. Once you've selected your location, add hot tap water to the sink or tub until it covers half of the outside container. You want the water to be hot, but not so hot that it might melt your containers, so use caution.
Next, grab some ice and cold water. Pour the cold water into the inside container until it's half-full. Add a few ice cubes to make the water even colder. The colder the water in the inside container, the more it will contract, making it easier to remove from the outside container, which will be expanding due to the hot water.
After you've added the ice and cold water, wait a few minutes. Two to three minutes should be enough time for the temperature changes to take effect. If the containers have been stuck together for a long time, you may need to wait a bit longer.
Finally, it's time to separate the containers. Grip the outside container with one hand and the inside container with the other, and pull them apart. Thanks to the temperature changes, the outside container should have expanded slightly, while the inside container has contracted, making it easy to separate them.
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Put containers in the freezer
If your plastic containers are stuck together from stacking, one method to try and unstick them is to put them in the freezer. This method works because cold temperatures cause materials to contract and shrink.
First, place the containers on their sides in the freezer. This is important because if they are stacked vertically, the containers may shrink at the same rate and stay stuck together. Leave the containers in the freezer for a few minutes.
Then, try to gently wiggle the containers apart. If they are still stuck, leave them in the freezer for a little longer and try again.
If this method does not work, try the opposite approach by filling the sink or bathtub with hot water and letting the containers sit in it for a few minutes. Then, fill the inner container with ice and cold water and wait a few minutes before trying to pull the containers apart.
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Hit stuck seam
If your plastic containers are stuck together due to stacking, one method to separate them is to hit the stuck seam. This method works on the principle that "cold shrinks, heat expands".
Firstly, place the containers into a bathtub or sink, depending on their size. If the containers were stacked while warm, try placing them in hot water and then pulling them apart. If that doesn't work, fill the outside container with enough hot tap water to cover half of it. Simultaneously, fill the inside container with ice and cold water until it is half-full. Wait for two to three minutes and then try to pull the containers apart.
If the containers are still stuck, try hitting the stuck seam with your hand or on a table corner (place a towel underneath to avoid damage). Hitting stuck objects can help to get them unstuck. If this method still doesn't work, you can try the hot and cold water method again, but this time, place the containers on their sides so that as one container shrinks, the other doesn't follow and stay wedged.
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Use a mild detergent
If your plastic containers are stuck together due to grease or grime, a mild dishwashing detergent can help. Firstly, check if there is any food residue or grease on the containers. If so, rub the containers with undiluted dishwashing liquid and let it sit for a minute or two. Then, rub and rinse the containers with hot water. If the containers are still greasy, you may need to use a stronger grease cutter, such as Formula 409 or a citrus-based degreaser, followed by a mild detergent.
To create a mild detergent solution, mix one tablespoon of mild liquid dish soap with warm water in a small bowl or container. Stir the solution with a spoon until it becomes foamy. You can also add baking soda to the mixture, which will help to break down any grease or grime.
Once you have prepared your detergent solution, dip a clean, soft cloth into it. Hold the cloth with your index finger pointed straight out and wrap the corner of the cloth around your fingertip. Quickly dip the corner of the cloth into the solution and then pull it out so that the cloth doesn't get too soaked.
Now, you can use the cloth to wipe down the plastic containers. If the containers are stuck due to grease or grime, the detergent will help to break down these substances and make it easier to separate the containers. You can also try soaking the containers in the detergent solution for a few minutes before attempting to pull them apart.
Using a mild detergent is a safe and effective way to clean and separate plastic containers. It is important to avoid using strong solvents or scouring the plastic, as this can damage the material. With a gentle detergent and a soft cloth, you can safely remove any stickiness or grime and prevent your plastic containers from becoming stuck in the future.
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Place newspaper between containers
To prevent plastic containers from getting stuck together when stacking, place sections of newspaper along the sides to keep them separated. This method ensures the plastic sides do not touch, allowing for easy separation. It is worth noting that the longer containers remain stacked, the greater the likelihood of them settling and adhering to one another.
To detach containers that are already stuck, try the hot and cold water method. Fill your sink or bathtub with enough hot water to cover half of the outside container, depending on their size. Subsequently, fill the inside container with ice and cold water until it reaches the halfway mark. After waiting for two to three minutes, attempt to pull the containers apart.
Alternatively, you can place the containers on their sides and soak them in warm water with a generous amount of dishwashing liquid. Then, place them in the freezer for a few minutes and try to wiggle them apart. This technique exploits the principle that "cold shrinks, heat expands."
Another suggestion is to hit the stuck seam of the containers against a table corner or with your hand (consider placing a towel underneath to avoid damage). Striking the stuck area can sometimes help release the adhesion.
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Frequently asked questions
Fill your sink or bathtub with enough hot tap water to cover half of the outside container. Fill the inside container with ice and cold water until it's half full. Wait 2-3 minutes, then pull the containers apart.
Yes, another method is to put ice cubes in the top container and place the bottom container in hot water. The change in air pressure in the "vacuumed" area should cause the containers to come apart with some twisting.
Before stacking, place sections of newspaper along the sides of the containers to keep them separated. Alternatively, you can put something inside each container before stacking them.
Wash the containers with a mild dishwashing detergent and dry them with a cloth.
