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Products  > Testing Machines Inc. Heat Sealer TS-12

Testing Machines Inc. Heat Sealer TS-12

The TS-12 Heat Sealer is one of the most precise and consistent table top heat sealers available, making it ideal for laboratory heat sealing applications. 


Brought to you by Testing Machines Inc, our physical property specialist testing brand, our industrial heat sealer is designed to produce heated crimp seals for flexible packaging materials

Hot sealing machine basics 

Heat sealing is the most commonly used method of sealing packages. That’s because it’s an economical choice that creates a high-integrity seal.  

A heat seal must be strong enough to withstand the rigors of shipping and handling, while allowing easy access for the end-user.  

A digitally controlled heat sealer 

Set the temperature of both the upper and the lower seal jaws precisely and independently with our sophisticated digital controls. This means that you can ensure the temperature across the entire length of the seal. 

Seal pressure heat sealer control

Change the seal pressure with a simple adjustment of the cylinder’s analog gauge. You can be confident of sealing consistency for each and every sample, whether you are seal testing, developing packaging or preparing your products for distribution.  

Auto cycle heat sealer option 

The auto cycle switch allows continuous cycling of the sealing jaws for quick sample sealing. This reduces operator fatigue by eliminating the need to use the footswitch for each seal – great for high volume lab testing applications. 

Quick-change heat sealer jaws

Swap out the seal jaw inserts fast with any seal pattern up to 30.4 cm long (12in.) Using our hot sealing machine you can change the sealing pattern in a matter of minutes, without changing the heaters or wiring. 

Many more hot sealing / heat sealing machines  

We make a wide range of industrial heat sealer devices and related accessories. For example, we also manufacture both the TS-4 Heat Seal tester and the SL-10 hot sealing machine.  

Hot of the press heat sealer news 

We like to share the lessons learnt over many decades of making hot sealing machines. If you’ve got questions, start with this Industrial Physics blog that answers some heat sealer FAQs, then perhaps read this article that explores a variety of flexible packaging equipment and methods 

How to use a heat sealer

When using a heat sealer you need a hot sealing machine that will carefully manage the following three factors to produce an effective crimp seal: 

Heat: the temperature of the hot sealing machine’s surfaces 

Dwell: the amount of time the heat sealer’s jaws are in contact with the sealing material 

Pressure: the pressure applied by the heat sealer. 

The digitally controlled temperature and dwell time of the TS-12 heat sealer makes it really easy to use. It’s a hot sealing machine that balances these three factors carefully to create an effective seal.  

Once your heat seal is created you can perform a hot tack test to validate how well it’s able to withstand force. This is important to determine its ability to withstand the kind of weights and pressures it will encounter during its lifespan.  


SKU: 75-58-00-0001/0002

Applications: Adhesion Testing, Burst Testing

Materials: Adhesive, Aluminum, Film, Foil, Plastics and Polymers

Physical specifications: Physical specifications

WxDxH: 50.8 cm x 22.8 cm x 27.9 cm (20 in x 9 in x 11 in)

Weight: 22.6 kg (50lbs)

Machine requirements: Machine requirements

Heat sealer power:   110V to 240V 50/60 Hz, 1000VA

Air (clean, dry): 621-827 kPa (90psi – 120psi ) 621 kPA (90 psi) recommended. Built-in, minimum pressure switch.

Heat sealer temperature: Heat sealer temperature

Range: ambient – 200 °C (392 °F)

Resolution: ± 0.1 °C (0.18 °F)

Measuring accuracy: ± 2.0 °C (3.6 °F)

Control band: ± 0.2 °C (0.36 °F).

Heat sealer pressure: Heat sealer pressure

Range: 68.9 kPa-1275 kPa (10 psi-185 psi)

Control Accuracy: Analog gauge

Resolution: 13.8 kPa (2 psi).

Heat sealer dwell time: Heat sealer dwell time

Range: 0.20 to 99.9 s

Control accuracy: ± 0.025 ms

Resolution: 10 ms

Heat sealer jaw options: Heat sealer jaw options

Length: 30.4 cm (12 in) maximum

Width: 5 – 25.4 mm (0.197 – 1.00 in)

Seal surface: flat, vertical, horizontal, custom or standard heat sealer geometry *All heat sealer jaws designed for quick and easy changeover.

Hot sealing machine controls: digital and analog

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The Problem

Proper calibration of your inspection devices is essential for a long and accurate life of service. A leading pet food manufacturer discovered this when shoddy servicing created a raft of problems with their burst and creep testing equipment.  

Our experts quickly identified and rectified the pre-existing problems. Now, they’re delighted to rely upon a trusted test and inspection partner with Industrial Physics.   

Scott Chambers, Quality Technician at Mars Inc., said,

“I was very happy to be one of the first companies to participate in the mobile calibration program. Ryan Moreno was my technician and was very personable, knowledgeable, and accommodating. The calibrations he performed were very efficient. I like having a technician on site one on one to answer any question I had. Also, not having to ship my BT-Integra units was a major plus. looking forward to future visits at Mars Petcare KKC.”

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