Ethan Clarke
Plastic squeeze tubes are commonly used to store items such as toothpaste, butter, peanut butter, and other jelly-like materials. These tubes can be challenging to refill due to their design, and the specific method depends on the type of tube and substance involved. For example, flexible tubes for creams and gels are typically filled using automated machines, while tubes for thicker substances can be filled manually. Various tools and techniques, such as syringes, funnels, and melting the product, can be employed to refill plastic squeeze tubes.
Characteristics and Values Table for Filling Plastic Squeeze Tubes
| Characteristics | Values |
|---|---|
| Type of Tube | Flexible squeeze tubes for creams and gels |
| Filling Method | Automated machine or manual filling |
| Filling Direction | From the base of the tube, rather than the dispensing end |
| Sealing Method | Heat sealing and trimming excess material |
| Manual Filling Methods | Using a syringe, funnel, or by melting the product and pouring it directly |
| Syringe Type | 'Slip tip' or tuberculin syringe, oral dosing syringe, or hobby syringe |
| Tube Preparation | Unrolling and re-rolling the crimped end, cutting the folded end opposite the cap |
| Cleaning Method | Creating a double boiler to liquefy and drain the contents |
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What You'll Learn
Using a syringe to fill the tube
Filling plastic squeeze tubes using a syringe is a straightforward process once you have the right tools and techniques. It is a recommended method for filling tubes with thicker substances, such as creams, gels, and lotions, as well as tubes with thin openings like lip gloss tubes and mascara tubes.
To begin, ensure that the plastic squeeze tube you are using is clean and dry. This step is crucial to prevent contamination and maintain the freshness of the product you will be filling the tube with. You can use alcohol wipes to clean the tube effectively.
Next, prepare your syringe. There are various types of syringes that can be used for this purpose, including oral syringes for children or pets, hydroponic syringes, and hobby syringes used by model builders for adhesives. The type of syringe you choose depends on the consistency of the product you are filling and the size of the tube opening. For instance, if you are dealing with a thicker product, a syringe with a wider tip may be more suitable, while a syringe with a longer and thinner needle may be preferred for tubes with small openings. You can find syringes at pharmacies, online retailers like Amazon, or even eBay.
Now, you are ready to fill the syringe with your desired product. One method is to insert the syringe into the source product and pull up the plunger to draw the product into the syringe. Alternatively, you can remove the plunger and fill the syringe from the back, then replace the plunger and squeeze the product out. If you are filling multiple tubes, ensure you have enough product in your syringe by filling it to its maximum capacity.
Finally, insert the syringe into the opening of the plastic squeeze tube and slowly and carefully dispense the product. This slow and steady approach helps create an even distribution within the tube and avoids air bubbles. Once you have filled the tube to your desired level, remove the syringe and securely tighten the cap to prevent any leaks. Store the refilled tube upright for a few hours to allow the product to settle evenly and reduce the chance of trapped air, which can make squeezing more difficult.
By following these steps, you can successfully use a syringe to fill plastic squeeze tubes with your desired products, ensuring a clean, mess-free, and efficient filling process.
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Filling tubes with a funnel
Prepare the Tube and Work Area
Before you begin, ensure that your plastic squeeze tube is clean and dry. This step is crucial to prevent contamination and maintain the freshness of the product you will be filling the tube with. It is also important to prepare your work area by laying out all the tools you will need and creating a clean and organised space to work in.
Choose the Right Funnel
Select a funnel that is appropriately sized for your plastic squeeze tube. The funnel should fit snugly into the tube's opening to facilitate a smooth transfer without mess. If you are filling multiple tubes, consider using a small funnel to ensure a precise pour.
Prepare the Product
The product you will be filling into the tube should be in a pourable state. If your product is thick or solid at room temperature, consider softening or melting it before filling. You can use a spatula to move the product into a microwave-safe container and heat it gently until it reaches a pourable consistency. Stir the product well to ensure even heating.
Fill the Tube
Once your product is ready, carefully pour or scoop it into the funnel. Work slowly and steadily to avoid air bubbles and ensure an even distribution within the tube. Fill the tube to the desired level, leaving space for the cap or lid.
Secure the Tube
After filling, remove the funnel and securely fasten the cap or lid to the tube. Check that it is properly sealed to prevent leaks. Wipe away any excess product around the cap area to maintain a clean and tidy tube.
Store the Tube
Store the filled plastic squeeze tube upright for a period of time before use. This allows the product to settle evenly throughout the tube, reducing the chance of trapped air pockets and ensuring a smooth dispensing experience when the tube is squeezed.
By following these steps, you can effectively fill plastic squeeze tubes using a funnel. This method is particularly useful for thicker products such as lotions, creams, and gels, offering a convenient way to transfer products into portable and reusable packaging.
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Using a double boiler to melt the contents
Filling plastic squeeze tubes can be a tricky task. For oil-based solutions, one method is to melt the product and pour it directly into the tube. This can be done using a double boiler, which is a handy tool for applying indirect heat to your contents.
To use a double boiler to melt the contents of your plastic squeeze tubes, start by preparing your double boiler. Double boilers are made up of two parts: a saucepan for boiling water and an upper pot or heat-safe bowl for your contents. If you don't have a double boiler, you can easily make your own using a large pot and a shallow, heat-resistant bowl that fits snugly on top.
Next, fill the lower pot or saucepan with about 2 inches of water and place the upper pot or bowl above it. Chop up the contents you want to melt into small chunks and place them in the upper pot or bowl. Try to spread the contents evenly across the bottom to ensure even heating.
Now, turn on the stove and heat the water in the lower pot to a simmer. Unless your specific project requires boiling water, it's best to avoid boiling as double boilers are designed to generate little heat. Stir the contents of the upper pot or bowl with a spatula, whisk, or wooden spoon as they begin to melt. This ensures that everything heats up and melts evenly.
Once your contents have reached the desired consistency, remove the upper pot or bowl from the double boiler and transfer the melted contents to your plastic squeeze tubes. Be careful when handling the upper container as it may not have a handle, and use a glove or potholder to protect your hands.
By using a double boiler, you can effectively melt the contents for your plastic squeeze tubes while maintaining more control over the heating process. This method is ideal for temperature-sensitive ingredients that require gentle and gradual heating.
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Automated machines for filling tubes
Several companies offer automated machines for filling and sealing plastic squeeze tubes. These machines are commonly used in the cosmetic, personal care, household, and chemical industries. Here is some detailed information about these automated machines:
ProSys Tube Filling Machines
ProSys offers high-speed automated filling and closing of squeeze tubes. Their machines include a tube bulk bin, load ramp, orient, fill station, and closure stations for plastic, laminate, or aluminum tubes. They also offer low-to-high-speed automated filling options with additional features such as tube bulk storage, dual load stations, dual orient stations, dual Servo fill stations, and dual closure stations.
VKPAK Tube Filling and Sealing Machines
VKPAK provides filling and sealing equipment for various squeeze tubes, including plastic, laminated, aluminum, and polyethylene tubes. Their machines are suitable for semi and viscous liquids like ointments, gels, pastes, creams, lotions, food products, pharmaceuticals, and chemical products. VKPAK offers both semi-automatic and fully automatic machines that feed the tube into a rotary indexing table, orient the tube, fill it, and then seal it using either heat seal and trim or fold and crimp methods.
ZONESUN TECHNOLOGY LIMITED Squeezable Tube Sealing Machines
ZONESUN offers a range of semi-automatic and fully automatic squeezable tube sealing machines. Their machines can handle various products, including hand cream, toothpaste, cosmetics, ointments, liquids, and food items. The sealing process involves either heat sealing and trimming or folding and crimping the tubes, depending on the material.
FRONTECH MACHINERY CO., LTD. Automatic Tube Filling and Sealing Machines
FRONTECH MACHINERY CO., LTD. offers automatic tube filling and sealing machines widely used in the cosmetic, food, and chemical industries. These machines can fill various products, including cream, paste, liquid, adhesives, grease, and sauce.
The Whole Package, LLC Universal Tube Filling and Sealing Machine
The Whole Package, LLC offers a universal tube filling and sealing machine that can handle both plastic and laminate tubes. It can run up to 80 tubes per minute and is suitable for contract manufacturing and brand companies of all sizes.
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Manually filling tubes
Filling plastic squeeze tubes manually is a feasible option for small businesses and home-based businesses that want to market their products. The process depends on the type of product being filled and the type of tube.
For example, lip balm tubes can be filled by melting the product and pouring it directly into the tube. Since the product will not expand, it is important to fill it to the rim. Once the product has cooled and set, the tube can be capped. For thicker substances, or tubes with thin openings such as lip gloss tubes, the syringe method can be used.
If you are filling Malibu tubes or Tottles, remove the lids and stand the tubes in a coffee mug, box, or jug to keep them vertical and stable. You can then spoon the product into a Ziplock bag, remove excess air, and carefully seal it. Twist the zipper section to create a firm "icing bag" and use the twisted part to hold it in your hand. Snip a small section off one bottom corner and apply light pressure to squeeze the product out into the tubes. Tap the jug or cup on the bench to allow air to escape from the tubes and finish filling.
For tubes with wider openings, you can use a lip balm filling tray to pour individual tubes and catch any spills.
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Frequently asked questions
You can melt the substance and pour it directly into the tube. Once it has cooled and set, the tube can be capped.
Flexible squeeze tubes are best filled using an automated machine. These filling devices fill the product from the base of the tube using a piston. The end is then heat sealed.
Yes, you can fill plastic squeeze tubes manually. You can use a syringe to fill the tube.
You can use a slip tip or tuberculin syringe, or an oral dosing syringe. You can also use a hobby syringe, which has a long and thin needle that does not puncture.
Yes, you can cut the flat, folded end of the tube with a razor or sharp knife, fill it with the substance, and then seal the end by melting the plastic with a butane lighter and crimping it with needlenose pliers.
