
Plastic containers are a versatile and practical solution for organizing your home, garage, or workspace. They can be used to efficiently organize and store a variety of items, from food and snacks to small inventory parts and office supplies. One way to enhance the functionality of plastic containers is by dividing them into separate compartments or sections. This allows for better organization, easier retrieval, and quicker inventory management. Dividers can be built into the containers or created using color-coding systems, helping to separate similar items and improve overall efficiency. Additionally, plastic bins themselves can sometimes become stuck together due to factors like tight stacking, temperature changes, moisture, and humidity. Various methods can be employed to separate stuck plastic bins, including the use of flat tools for gentle leverage, applying heat or lubrication, and utilizing thermodynamics by filling one bin with cold water and the other with hot water.
| Characteristics | Values |
|---|---|
| Plastic bins get stuck due to | Tight stacking, temperature changes, moisture and humidity, weight and pressure |
| Simple tools to separate stuck bins | Butter knife, putty knife, spatula |
| How to use a simple tool | Insert gently between the two bins, wiggle slightly to create a small gap, slowly work around the edges, pull bins apart |
| How to apply heat to loosen the plastic | Use a hairdryer on a low or medium setting to warm the edges of the bins |
| How to twist and wiggle the bins | Hold the bottom bin, grip the top bin and twist gently from side to side while pulling upward |
| How to use lubrication | Apply a thin layer of dish soap, cooking oil, or silicone spray to the edges, let it sit for a few minutes, then twist and pull the bins apart |
| How to separate using water | Place containers in a bathtub or sink, add hot tap water to cover half the outside container, pour ice and cold water into the inside container, wait a few minutes, then pull the containers apart |
| Plastic containers with dividers | Help to separate similar items into individual compartments for easier retrieval and reduce the chance of items being misplaced or lost |
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What You'll Learn

Use a flat tool for leverage
Plastic storage bins are a great way to organise your home, garage, or workspace. However, they can sometimes become stuck together due to pressure, humidity, or friction, making them difficult to separate. One effective way to separate them without causing any damage is by using a flat tool for gentle leverage. Here's how you can do it:
Firstly, choose a flat, sturdy tool such as a butter knife, putty knife, or spatula. Avoid using sharp tools like screwdrivers, as they can scratch or damage the plastic bins. Gently insert the tool between the two bins where they are stuck, taking care not to apply too much pressure in one area. Once the tool is in place, gently wiggle it to create a small gap between the bins. It is important to work slowly and carefully to avoid cracking the plastic.
After creating the initial gap, slowly work your way around the edges of the bins, maintaining even pressure. This will help loosen the seal between the bins and make it easier to separate them. Once you have worked your way around a significant portion of the edges, you can try gently pulling the bins apart. If they are still stuck, continue the process by wiggling the tool and applying gentle pressure to create a wider gap.
In some cases, the bins may be stuck due to tight stacking or temperature changes, causing the plastic to expand or contract. In such cases, applying heat can help loosen the plastic and make it easier to separate. Use a hairdryer on a low or medium setting to warm up the edges of the bins. Be cautious not to use high heat or direct flames, as this can warp or melt the plastic.
By following these steps and using a flat tool for leverage, you can effectively separate stuck plastic storage bins without causing any damage. This method is a simple and gentle approach to dealing with this common issue, ensuring your storage solutions remain effective and intact.
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Apply heat to loosen the plastic
If your plastic bin is stuck due to tight stacking or temperature changes, applying heat can help expand the plastic, making it easier to separate. Here are some ways to do it:
Using a Hairdryer
Use a hairdryer on a low or medium setting to warm the edges of the bin where they are stuck. Move the hairdryer evenly around the edges for a few minutes. Once the plastic feels slightly warm, try gently pulling the bins apart. Avoid using high heat or direct flames, as this can warp or melt the plastic.
Hot and Cold Water
Place the containers in a bathtub or sink, depending on their size. Add enough hot tap water to the sink or tub to cover half of the outside container. Then, pour ice and cold water into the inside container until it is half-full. Wait two to three minutes, and then gently pull the containers apart. The inside container will have contracted due to the cold, and the outside container will have expanded from the heat.
Hot and Cold Air
Place a layer of ice cubes and cold water inside the bin, then use a hairdryer to blow hot air on the outside. Alternatively, if you have access to an air compressor with a nozzle or gun attachment, you can use that to blow hot or cold air between the containers.
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Twist and wiggle the bins
Plastic storage bins are a versatile and practical solution for organizing your home, garage, or workspace. However, over time, these bins can become stuck together due to pressure, humidity, or friction, making them difficult to separate.
One way to separate stuck-together plastic bins is to twist and wiggle them. Here is a step-by-step guide:
- Hold the bottom bin firmly in place.
- Grip the top bin and twist it gently from side to side while pulling upward.
- If the bins don't separate immediately, repeat the motion while applying slight upward pressure.
- Continue working on one corner, then move to the opposite corner, and work back and forth, not up and down. This helps to loosen the plastic.
If twisting and wiggling the bins do not work immediately, you can try combining this method with other techniques, such as using lubrication or temperature changes, to help break the seal between the bins.
By following these steps, you can effectively separate stuck-together plastic bins without causing damage to the containers.
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Use lubrication for stubborn bins
Plastic storage bins are a versatile and practical solution for organising your home, garage, or workspace. However, over time, these bins can become stuck together due to pressure, humidity, or friction, making them difficult to separate.
If you're dealing with stubborn plastic bins that are stuck together, lubrication can be a safe and effective solution to help you separate them without causing any damage. Here are some detailed instructions on how to use lubrication to divide stubborn plastic bins:
Understanding Why Plastic Bins Get Stuck
Before turning to lubrication, it's helpful to understand why plastic storage bins stick together. Some common reasons include:
- Tight Stacking: Bins are often designed to fit snugly, which can cause them to lock together.
- Temperature Changes: Heat causes plastic to expand, while cold makes it contract, leading to tighter fits.
- Moisture and Humidity: Moisture can create a vacuum-like seal between bins, making separation challenging.
- Weight and Pressure: Heavy items inside the bins can increase friction and compress the bins, making them harder to separate.
Choosing the Right Lubricant
When selecting a lubricant for plastic bins, it's crucial to choose one that is compatible with the plastic material. Not all lubricants are suitable for all types of plastics. Here are some factors to consider:
- Compatibility: Check manufacturer recommendations to ensure the lubricant is compatible with the specific plastic. Incompatible lubricants can cause stress cracking and failure of the plastic.
- Viscosity: Consider the viscosity or thickness of the lubricant. Silicone-based lubricants have low viscosity and work well with plastics, while mineral-oil-based lubricants have higher viscosity and may not suit high-temperature applications.
- Performance: Choose a lubricant that meets the conditions the plastic will be exposed to. Consider factors like aging resistance, load-carrying capacity, and temperature range.
- Chemistry: Understand the chemical composition of the lubricant. Silicone-based lubricants, synthetic hydrocarbons, and mineral oils are generally compatible with plastics. Avoid lubricants based on esters or polyglycols, as they may react negatively with certain plastics.
Applying Lubrication
Once you've selected the appropriate lubricant, follow these steps to apply it effectively:
- Apply a thin layer of dish soap, cooking oil, or silicone spray to the edges where the bins are stuck.
- Allow the lubricant to sit for a few minutes. This gives it time to penetrate the seal and make it easier to separate the bins.
- Gently twist and pull the bins apart. You can also try the twisting motion described in the previous section, combining it with slight upward pressure.
Additional Tips
- Avoid using sharp tools to separate the bins, as they can scratch or damage the plastic.
- If applying heat with a hairdryer, use a low or medium setting and avoid high heat or direct flames, as these can warp or melt the plastic.
- When using lubrication, a small amount goes a long way. Apply a thin layer and add more if needed to avoid excessive residue.
- Always test the lubricant on a small area first to ensure it doesn't discolour or negatively affect the plastic.
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Use hot and cold water
To divide a plastic bin using hot and cold water, follow these steps:
First, understand why plastic storage bins get stuck. This can be due to tight stacking, temperature changes, moisture and humidity, or weight and pressure. Temperature changes are particularly relevant when using hot and cold water to separate the bins. Heat causes plastic to expand, while cold temperatures cause it to contract, affecting the fit of the bins.
Now, to the process itself. Fill a sink or a tub with enough hot tap water to cover half of the outside container. Alternatively, use a hairdryer on a low or medium setting to apply heat to the edges of the bins. Be cautious not to use high heat or direct flames, as this can warp or melt the plastic.
Next, fill the inside container with ice, cold water, or both, until it is about half full. The cold temperature will cause the inside container to contract. You can also try using a wet towel that has been in the freezer instead of ice.
Wait for about two to three minutes. The outside container will have expanded from the heat, while the inside container will have contracted due to the cold. Now, try pulling the containers apart gently.
If the bins still don't separate, try twisting the top bin gently from side to side while pulling upward. If necessary, repeat this motion while applying slight upward pressure.
Finally, wash the containers with a mild dishwashing detergent and dry them with a cloth.
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Frequently asked questions
Dividing plastic bins helps to separate similar items into individual compartments, making them easier to retrieve and reducing the chances of them being misplaced or lost.
Plastic containers with built-in dividers are available to purchase. Alternatively, you could use smaller plastic containers to create separate compartments within a larger bin.
Plastic storage bins can become stuck due to pressure, humidity, or friction. To separate them, you can use a flat tool like a butter knife or spatula to gently create leverage, apply heat to loosen the plastic, twist and wiggle the bins, or use lubrication.
You can use a hairdryer to apply heat to the edges of the bins, or fill the inside of one bin with ice water and dunk the outside of the other bin in a hot bath. You can also try using dish soap, cooking oil, or silicone spray as lubrication.
Before stacking your plastic bins, place sections of newspaper along the sides to keep them separated. You can also try to avoid stacking bins that are designed to fit snugly, as these are more likely to lock together.






































