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Flexible Packaging Composite Film Heat Seal Tester

HST-01 can measure the parameters of flexible packaging composite film and other heat sealable laminates regarding heat sealing time, pressure, temperature.



A heat sealer is a machine that uses heat to securely seal various products, packaging materials, and thermoplastic substances, including Flexible Packaging Composite Film. This sealing process involves applying heat and pressure to effectively join thermoplastic materials together. Heat sealers are widely used in different industries to create and seal a variety of items, including plastic bags and various types of packaging solutions.

In laboratory testing, a valuable tool called a Heat Seal Tester is essential. This compact and versatile heat sealer is specifically designed to assess the heat sealability of multiple surfaces, sealant layers, films, laminates, composites, polymers, and Flexible Packaging Composite Film. By subjecting these materials to controlled heat and pressure, the Heat Seal Tester enables researchers and professionals to accurately determine the effectiveness of their sealing processes.

To achieve optimal seal quality, three crucial parameters must be considered: time, temperature, and pressure. The successful interaction and optimization of these parameters are vital for creating reliable and durable seals. The heat seal tester acts as a simulation tool, allowing users to precisely set and control these parameters, thereby replicating real-world seal conditions and ensuring consistent and reproducible results.

The strength of seals in flexible packaging, including Flexible Packaging Composite Film, is of great importance as it serves as a key indicator of both functional performance and ease of opening. Strong and secure seals not only ensure the protection and preservation of the packaged contents but also contribute to customer satisfaction by facilitating easy access to the product. By utilizing heat seal testers, manufacturers and researchers can evaluate and improve the seal strength of flexible packaging, including Flexible Packaging Composite Film, leading to enhanced product quality and user experience.


ASTM F2029-16(2021) :Standard Practices for Making Laboratory Heat Seals for Determination of Heat Sealability of Flexible Barrier Materials as Measured by Seal Strength

Technical feature

When assessing the heat sealability of materials like films, laminates, composites, polymers, foil bags, and Flexible Packaging Composite Film, it is essential to have a heat seal tester that provides stability and precision. This is where our HST-01 heat seal tester excels, thanks to its cutting-edge design that ensures outstanding sealing outcomes. Let’s explore its key features, which make it reliable, accurate, and user-friendly for achieving optimal sealing performance:

  1. The unit is equipped with a PLC-controlled system, ensuring industrial-level stability, and operated through an HMI touch screen interface.
  2. Both the upper and lower parts of the tester are made of aluminum and heated to minimize heat loss during sealing, guaranteeing consistent temperature distribution.
  3. A first-class P.I.D. (proportional integral derivative) temperature controller enables precise temperature control and efficient heating.
  4. Accurate timing combined with a proximity sensor allows for simultaneous seal initiation with jaw movement.
  5. The three-way guided sealing bar ensures uniform sealing pressure.
  6. User protection features include an anti-scald front cover and manual/foot switches to initiate tests, ensuring safety.
  7. The seal jaw can be customized in terms of dimensions, shape, and sealing surface/patterns.
  8. The tester includes an RS 232 COM Port and optional computer software for data analysis and configuration.

To sum up, the HST-01 heat seal tester is a dependable and effective solution for assessing the heat sealability of materials like films, laminates, composites, polymers, foil bags, and Flexible Packaging Composite Film. Its advanced features, user-friendly interface, sturdy construction, accurate temperature control, adjustable pressure settings, and ability to log data make it an excellent option for achieving optimal sealing outcomes in various packaging applications, including the production of Flexible Packaging Composite Film.

Key Data

Sealing Temp.                     Room Temp. ~ 300℃

Deviation                           ±0.2℃

Sealing Time                       0.1s~9999s

Sealing Pressure                 0.15 MPa ~ 0.7 MPa

Seal Jaws                             330 mm × 10 mm (Customization Available)

Gas Pressure                       0.7 MPa

Port Size                             Ф6 mm PU Hose

Dimensions                        455mm (L) ×320mm (W) ×440mm (H)

Power                                  AC 220V 50Hz(Customization Available)

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