How Ampoule Fillers Work with Different Ampoule Shapes

Ampoules are widely used in pharmaceutical laboratories, cosmetic research, chemical testing, and small-batch production applications. Different ampoule shapes and sizes require suitable filling and sealing solutions to ensure filling accuracy, sealing quality, and operational convenience.

As a professional supplier of laboratory ampoule filling equipment, we provide compact ampoule filling machines and ampoule sealing machines suitable for R&D, pilot testing, and small-scale production. Our machines can handle different ampoule specifications by changing molds and format parts, allowing one machine to work with multiple ampoule sizes.

Common Ampoule Shapes and Filling Challenges

Cylindrical Ampoules

Cylindrical ampoules are the most common type used in laboratory and pharmaceutical applications. Their round structure allows stable positioning and smooth liquid filling.

For these standard ampoules, our:

• Small Ampoule Filling Machine
• Semi-Automatic Ampoule Filling Machine
• Manual Ampoule Sealing Machine

are ideal for laboratory use and small-batch production.

By replacing format parts, the same machine can handle different ampoule sizes such as 1ml, 2ml, 5ml, and 10ml.

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Oval and Special-Shaped Ampoules

Some cosmetic and specialty liquid products use customized ampoule shapes. These special ampoules may require customized holders or adjustable filling nozzles.

Our machines can be customized according to customer ampoule samples and specifications to ensure stable filling performance for non-standard ampoules.

Plastic Ampoules

Plastic ampoules are commonly used for eye drops, cosmetic serums, and oral liquid samples. Unlike glass ampoules, plastic ampoules require heat sealing instead of flame sealing.

For these applications, we offer:

• Eye Drop Plastic Ampoule Filling And Sealing Machine
• Small Dose Liquid Filling Machine

These compact machines are suitable for laboratory testing and small-scale production environments.

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How the Filling Process Works

The ampoule filling process generally includes the following steps:

1. Ampoule Positioning

Ampoules are manually or semi-automatically placed into the holder or workstation.

2. Liquid Filling

The machine accurately fills the required liquid volume using:

• Peristaltic pumps
• Piston pumps
• Ceramic pumps

Different filling systems can be selected according to liquid viscosity and filling accuracy requirements.

3. Sealing Process

Different sealing methods are used depending on the ampoule material.

Flame Sealing for Glass Ampoules

Our Manual Ampoule Flame Sealing Machine is suitable for laboratory and pilot-scale production. The operator heats the ampoule neck until the glass softens and seals securely.

Heat Sealing for Plastic Ampoules

Plastic ampoules are sealed using controlled heating systems to create leak-proof packaging.

Suitable for Different Liquid Types

The viscosity of the liquid affects the filling method selection.

Low-Viscosity Liquids

Suitable for:

• Injectable solutions
• Essential oils
• Alcohol-based liquids

Higher-Viscosity Liquids

Suitable for:

• Syrups
• Cosmetic liquids
• Nutritional solutions

Different pump systems can be selected according to product characteristics.

Flexible for Different Ampoule Sizes

One key advantage of our laboratory ampoule filling machines is flexibility.

By changing molds and format parts, one machine can work with multiple ampoule specifications, helping customers reduce equipment costs while supporting different product testing requirements.

We can customize machines for:

• 1ml ampoules
• 2ml ampoules
• 5ml ampoules
• 10ml ampoules
• Customized ampoule sizes

Ideal for Laboratory and Small-Batch Production

Our machines are especially suitable for:

• Pharmaceutical laboratories
• Research institutes
• Cosmetic sample production
• Pilot testing
• Small-batch manufacturing

The equipment is compact, easy to operate, and suitable for users who need flexible production capacity without large automated production lines.

Choosing the Right Ampoule Filling Machine

When selecting ampoule filling equipment, customers should consider:

Ampoule material

Ampoule shape and size

Filling volume

Liquid viscosity

Production capacity

Required filling accuracy

Our technical team can recommend suitable machine configurations according to your actual production needs.

Contact Us

If you are looking for laboratory ampoule filling machines or small-scale ampoule sealing equipment, feel free to contact us.

We can provide customized solutions for different ampoule sizes and applications, suitable for laboratory testing, pilot production, and small-batch manufacturing.

References:

Industry experience in ampoule filling and sealing technology

Technical documentation of laboratory filling equipment

Practical applications in pharmaceutical and cosmetic laboratories