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Global Sealing SystemsGuangzhou Yijia Packaging Technology Co., Ltd.
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Solution topic

How to Choose Tube Packaging for Toothpaste, Ointment, and Cosmetics? Filling & Tail Sealing, Tail Coding, and Special Cap Solutions

Compare filling & tail sealing, tail coding, trimming, and special cap solutions for toothpaste, ointment, cosmetic, and reagent tubes. Explains how tube diameter, material, product consistency, and output affect equipment selection.

  • For tube projects, first determine whether you need empty tube filling & tail sealing, or pre-filled tubes requiring only tail sealing, coding, or trimming. Tube material, diameter, tail shape, cap type, and product consistency determine the equipment route.
  • Tube Filling & Tail Sealing and Tail Coding

First Distinguish Between 'Filling & Tail Sealing' and 'Tail Sealing Only'

The most common mistake in tube projects is mixing these two requirements. Empty tube feeding requires filling, tail sealing, coding, and trimming; pre-filled tubes may only need tail sealing and batch coding.

Tube Material Determines Sealing Method

Heat sealing parameters differ for plastic tubes, aluminum-plastic composite tubes, and special composite tubes. Tube material, thickness, and tail allowance affect seal strength and appearance.

Product Consistency Determines Filling Structure

The viscosity, stringiness, and presence of particles in toothpaste, ointment, cream, and gel affect the filling valve and hopper design.

Coding Position Must Be Confirmed Early

Tail coding, tube body inkjet coding, and label positions differ, requiring different positioning and conveying methods. Export orders also need to confirm date format and batch number rules.

Do Not Directly Apply Standard Machines for Special Caps

Special caps or unusual tails require sample review first. We will determine whether non-standard fixtures are needed for positioning, clamping, sealing, and coding.

Clearly Explain Advantages and Limitations

The advantage of integrated filling & tail sealing is a complete process; the limitation is that tube material and product consistency must be clearly defined. The advantage of separate tail sealing & coding is lower investment; the limitation is that it cannot handle upstream metering.

How Our Existing Equipment Can Handle This

Our existing equipment can cover tube filling & tail sealing, separate tail sealing & coding, tail trimming, and downstream inkjet coding and inspection. Special cap types can be evaluated with sample positioning before deciding on custom fixtures.

Sending Photos Can Also Provide a Preliminary Assessment

Without complete drawings, sending photos of the tube front/back, tail, cap, and product can help us determine whether the route is filling & tail sealing or tail sealing & coding.

Route comparison

01Tube Filling and Sealing
  • Suitable for projects that need empty tube feeding, product filling, heat tail sealing, coding, and trimming in one process.
  • The process is complete and suitable for stable production of toothpaste, ointments, cosmetics, and paste products.
  • Tube diameter, tube length, tube material, filling volume, paste condition, and cleaning requirements must be confirmed.
  • If filling is already completed and only tail sealing is needed, a full tube filling and sealing machine may not be necessary.
  • Start with a tube filling and sealing machine.
02Tube End Sealing, Coding and Trimming
  • Suitable when filling is already handled and only tail sealing, batch coding, and trimming are needed.
  • The equipment is lighter and suits adding a tail-sealing step or handling small-batch production.
  • Tail allowance, sealing width, coding content, and tube material need to be confirmed.
  • If the product has not been filled yet, a standalone tail sealer cannot complete the upstream dosing step.
  • Start with a tube tail sealing and coding machine.
03Special-Cap Tube Solution
  • Suitable for tubes with special caps, pump heads, brush heads, or non-standard tail structures.
  • Fixtures, positioning, and tail-sealing method can be evaluated according to the tube and cap structure.
  • The non-standard level is high, so samples and motion confirmation are required; lead time and cost depend on custom parts.
  • Without samples or structural drawings, it is not advisable to quote a full automation solution directly.
  • First confirm sample positioning and fixture requirements, then decide the main machine and auxiliary steps.

Core process

01Tube Sample Confirmation

Determines whether standard fixtures or custom sealing molds are needed.

02Filling or Skip Filling

Empty tube projects configure filling; pre-filled projects can do only tail sealing & coding.

03Tail Sealing and Trimming

Confirm tail shape, seal width, and appearance requirements.

04Coding and Traceability

Batch number, date, and traceability code determine the coding method.

05Inspection and Conveying

For mass production, missing tube, weight, and appearance inspection can be added.

06Cartoning and Outer Packaging

Decide whether to connect downstream packaging based on order stage.

Associated Equipment / Consumables

Send samples and capacity requirements for a clearer solution

For tube projects, first determine whether you need empty tube filling & tail sealing, or pre-filled tubes requiring only tail sealing, coding, or trimming. Tube material, diameter, tail shape, cap type, and product consistency determine the equipment route.

01Packaging container
02Core process
03Equipment needed
04Materials
05Capacity and automation
06Sample details
Materials

Empty Tubes / Caps / Tail Coding Consumables

Sample details

Tube photos, whether pre-filled, product consistency. / Tube diameter, length, material, tail photos, cap photos. / Capacity, viscosity, stringiness, presence of particles, sample.

Inquiry

Online Inquiry Form

Please specify container type, sealing material, speed target, sample status, and target market.

Sample details

01Describe Current Tube Status

First confirm whether it is an empty tube, pre-filled tube, or only needs tail sealing and coding.

Tube photos, whether pre-filled, product consistency.
02Provide Tube Material and Dimensions

Tube diameter, length, tail allowance, and material determine fixtures and heat sealing parameters.

Tube diameter, length, material, tail photos, cap photos.
03Confirm Product and Capacity

Paste viscosity and fill volume determine filling valve and hopper.

Capacity, viscosity, stringiness, presence of particles, sample.
04Confirm Coding and Appearance Requirements

Tail batch number, date format, embossing, and trimming shape affect configuration.

Coding content, font orientation, sealing style, appearance sample.
05Confirm Output and Downstream Integration

Output determines single machine, rotary table, or inline solution.

Tubes per minute, manual or automatic, whether checkweighing, cartoning, or case packing is needed.

Common selection mistakes

01Not Distinguishing Between Filling & Sealing and Sealing Only
02Ignoring Tube Material Thickness
03Only Looking at Diameter, Not Tail Allowance
04Postponing Coding Requirements
05Not Sending Samples for Special Caps

Common questions

01I only need tail sealing, not filling. Is that possible?

Yes. Pre-filled tubes typically require tail sealing, coding, and trimming equipment, not necessarily a complete filling & sealing machine.

02Can aluminum-plastic composite tubes be heat sealed?

It depends on the specific material structure and thickness. Parameters need to be confirmed after sample testing.

03Can one machine handle multiple tube diameters?

Usually yes, by changing molds, but it depends on the diameter range, tube length, and output requirements.

04How to quote for special cap tubes?

A sample or structural drawing is needed to first evaluate the positioning fixture and action sequence.

05Will very thick paste affect filling?

Yes, it affects the filling valve, hopper, and anti-drip configuration. A sample or video is recommended.

06Can checkweighing or vision inspection be added?

Yes, for batch orders, downstream inspection can be configured according to quality requirements.

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