How Can You Operate a Laboratory Heat Sealer Efficiently?

Reviewed by Anurag Mishra (Sr. Technical Consultant)

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The Heat Seal Test is a commonly conducted quality test in the packaging industry that is used to identify the proper marking parameters (temperature, time, and pressure) for materials such as flexible packaging, thermoplastics, and plastic labels. The flexible packaging films are used in different segments to pack the products efficiently. These flexible packaging films will function on the premise of forming a connection between the two materials when heat and pressure are applied to them. They will become inseparable as a result of continuous heat and pressure. Thus, to test the heat sealing strength of these materials, you can easily make use of Testronix heat sealer.

This is one of the amazing lab testing instruments that is widely used in the paper and packaging industry to ensure the proper sealing strength of packaging labels. It also features a function that allows you to set the pressure value. Both jaws of the machine include temperature controls, making the machine even more accurate. Here in this blog, we will discuss how this lab testing equipment is helpful in checking the quality of packaging products to the customers.

Improve the quality of flexible packaging films using Testronix heat sealer

Flexible plastic films are made up of several layers that can effectively protect your materials. Thus, testing the quality of these films is of utmost importance in order to make sure that quality products are delivered to the customers. You can easily make the use of Testronix heat seal tester to measure the effectiveness of the heat seal of products like plastic films that are used to package a variety of foods other packages. This testing instrument heat control unit will use auto-tuning and adaptive digital PID temperature control technology.

When you test the samples with the help of a Testronix laboratory heat sealer, you will gain excellent assurance and accuracy. The pressure controls on this testing equipment will ensure that the testing procedure is stable. An extremely precise dwell time will be provided by the single-chip microcontroller. This instrument has been made in compliance with industrial standards such as ASTM F2029. You can easily use this pouch seal tester in the plastic and packaging industry to make sure that the products delivered are made up of quality.

Below we have listed the features and technical specifications of this lab testing equipment.

Features of Testronix heat seal tester

Heat sealers are considered to be the ideal testing instrument for performing a feel of the material to be packaged. It is mostly used to assess the strength of thermostatic materials with the application of pressure.

It will also aid in the preservation of heat by keeping the highest temperature possible. As a result, analyzing the quality will allow you to assess the thermal performance of the packing material.

Below we have listed the features of this Testronix heat seal testing instrument.

  • Seal Pattern: Straight line/Plain/Diamond Knurling
  • Microprocessor-based display
  • Single Pushbutton operation after setting PID temperature and time
  • PID temperature controller for the highest level of controls and repeatability
  • Dimensions: 400 x 367 x 483 mm
  • Mild steel powder coated body

Technical Specifications of Testronix heat seal tester:

  • Equipment Range: Ambient to 350ºC
  • Sealing Temperature Working range: Ambient to 230ºC
  • Accuracy: ± 1ºC
  • Dual Temperature controllers
  • Least Count/Resolution: 0.1ºC
  • Power: 220V, Single phase, 50 Hz
  • Sealing size:
    • 150x 15 mm
    • 300 x 15 mm
  • Temperature Controller: 4 digit PID
  • Dwell Heat Seal time: 0.1 – 99.9 sec

Heat Sensor with 

  • Platinum Resistance Temperature Detector (RTD)
  • Sealing Pressure:2- 6 Bar

With these features and technical specifications of heat sealer, you can easily conduct the heat seal test on laminate films. Whenever you buy this lab testing equipment, then you need to take care of some factors like the functioning of the heat sealer, the size of materials used in the heat sealing process, and the speed of working. You can easily maintain the Testronix lab heat sealer and check the strength of labels and packaging films with ease.

Steps to operate Testronix heat seal tester

The Heat Sealer is primarily used in the packaging industry and industrial laboratories to employ heat and pressure to seal one thermoplastic to another or similar thermoplastic. The direct contact technique of heat sealing involves applying heat to a specified contact region or route using a continually heated die or sealing bar to seal or weld the thermoplastics together. Heat seal connections, thermally activated adhesives, film media, plastic ports, and foil sealing make the use of heat sealing procedures. To efficiently operate this lab testing equipment, you can easily follow the steps mentioned below:

  • You can operate the machine by starting it first. For this, you can easily turn ON the machine by plugging the main socket of the machine into a 3 pin 15 amp socket.
  • The PID controller will show some readings on the PV (Process Value) and SV (Set Value). Set the SV value on the PID controller.
  • Set the test duration timing on the digital timer. Connect the air source with the pressure gauge through the pressure inlet port.
  • Using the pressure regulator and pressure gauge, maintain the required pressure for conducting the operation.
  • After that, you can place the specimen on this machine. Maintain the required pressure and temperature before placing the specimen between two sealers.

In this way, you can easily operate this machine and commence the test. We at Testronix are considered to be the best heat seal tester manufacturer and provide you best heat sealer priceYou can even give us a call at +91 9313140140 or email us at Our team of technical experts will easily assist you with all your requirements.

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