How does Heat Seal Tester ensure precise and reliable sealing results?

Labtron’s Heat Seal Tester is designed with double temperature control and double display, allowing precise monitoring and adjustment of the sealing conditions. It uses a cylinder external structure that ensures even pressure distribution, reducing inconsistencies in sealing. Additionally, the double heating system provides uniform heat application, which is crucial for achieving strong and reliable seals. These features make it highly suitable for research, quality control, and industrial applications where precision is essential.

Why is heat sealing temperature, pressure, and time important in packaging material testing?

The heat sealing properties of packaging materials directly affect the integrity and shelf life of packaged products. Temperature determines how well the material melts and fuses together, pressure ensures proper adhesion, and time controls the duration of heat exposure to achieve a strong bond. If any of these factors are not optimized, the packaging may develop weak seals, leading to contamination, leakage, or product degradation. Our Heat Seal Tester allows manufacturers and researchers to fine-tune these parameters for the best sealing performance.

Can the Heat Seal Tester be used for different types of packaging materials?

Yes, the Heat Seal Tester is highly versatile and can test a wide range of materials, including plastic film substrates, flexible packaging composite films, coated paper, and aluminum foil. Since different materials have unique melting points and sealing requirements, the device’s customizable temperature, pressure, and sealing time settings make it adaptable for various industrial applications.

How does this Heat Seal Tester contribute to research and development in packaging innovation?

Our Heat Seal Tester is a valuable tool for R&D laboratories working on developing new packaging materials. By simulating real-world sealing conditions, researchers can study how different materials respond to heat sealing and optimize their properties for durability, sustainability, or cost-effectiveness. It is particularly useful for testing eco-friendly and biodegradable packaging materials, ensuring they meet industry standards while maintaining seal integrity.

What safety features are included in the Heat Seal Tester?

Safety is a priority in heat-sealing devices, especially when operating at high temperatures. Labtron’s Heat Seal Tester is designed with precise temperature control, preventing overheating that could damage materials or pose safety risks. The external cylinder design ensures controlled pressure application, reducing the risk of sudden pressure fluctuations. Furthermore, the foot switch operation allows users to safely control the sealing process without direct hand contact with the heated parts.

Heat Seal Tester LHST-A10

Name: Heat Seal Tester LHST-A10
Brand: Labtron
SKU: LHST-A10
Rating: 4.8 (962 reviews)

Heat Seal Tester LHST-A10 offers a wide range of heat-sealing temperature from RT to 300℃. The heat sealing is achieved through a hot pressure sealing method, ensuring reliable and consistent results. It includes automatic and manual modes, external and three-axis cylinders, and an optional pin or line sealing function. This tester features double temperature control, double display, and a cylinder external structure, enhancing stability and precision. Our tester is designed for testing the heat-sealing performance of plastic film substrates, and more.

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Heat Sealing Temperature	RT to 300℃
Temperature Control Accuracy	± 1℃
Heat Sealing Time	0.01 s to 99.99 h
Heat Sealing Pressure	0 to 8 kg (0 to 0.8 MPa)
Heat Sealing Surface	Lower sealing knife: (35 × 10 mm)× 5 sections Upper sealing knife: customizable with silicon pad
Heat Sealing Heating Form	Double heating
Operating Mode	Automatic and manual
Power Supply	AC 220 V, 50 Hz
Dimension	600 × 400 × 540 mm

Double temperature control
Double display
High-precision components
Three-axis external cylinder
Durable structure

Our Heat Seal Tester LHST-A10 is used in food, pharmaceutical, and packaging industries to evaluate the heat-sealing temperature, pressure, and time of plastic films, composite films, and coated materials. It ensures quality control, material research, and compliance with industry standards for flexible packaging.

Foot switch × 1

Power cord × 1

Note: User must ensure an air source for Heat Seal Tester LHST-A10.

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Heat Seal Tester LHST-A10 Catalog

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Heat Seal Tester LHST-A10 Manual

Models of Plastic Testing Instruments

Labtron Plastic Testing Instruments has a microprocessor-controlled PID system that ensures precise temperature balance for consistent results. These include an inside chamber constructed from durable stainless steel, offering long-lasting reliability. Their test samples retain their physical properties even after aging, ensuring accurate assessments. They have adopted a double-pipe structure for enhanced durability and performance. Our plastic testing instruments effectively determine the anti-impact properties of materials, providing valuable data for material testing and quality control.

Melt flow Indexer TMFI-A11

Measuring range : 0.01to 600.00 g/ 10 min (MFR), 0.01 to 600.00 cm3/ 10 min (MVR), 0.001 to 9.999 g/ cm3 (melt density)
Measuring rate : 0.001 S
Temperature range : 50 to 400°C
Temperature precision : ± 0.5°C

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Heat sealer THS-A10

Seal temperature : Room temperature -250°C
Control accuracy : ± 0.2°C
Dwell time : 0.1 S to 999.9 S
Dwell pressure : 0.05 to 0.7 MPa

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Charpy/ Izod Impact Tester TCI-A10

Impact Speed & Energy (charpy) : 2.9 m/s for 1J, 2J, 4J, 5J & 3.8 m/s for 7.5J, 15J, 25J
Impact energy (Izod) : 3.5 m/s for 1J, 2J, 4J, 5J, 7.5J, 15J, 25J
Resolution of impact energy : 0.001 J
Pendulum up angle : 160°

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Melt flow Indexer TMFI-A10

Measuring range : 0.01 to 600.00 g/ 10 min (MFR), 0.01 to 600.00 cm/ 10 min (MVR), 0.001 to 9.999 g/cm (melt density)
Measuring rate : 0.001 S
Temperature range : 50 to 400°C
Temperature precision : ± 0.5°C

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Charpy/Izod Impact Tester TCI-A11

Pendulum Energy (Izod) : 2.75 J, 5.5 J, 11 J, 22 J
Pendulum Energy (Charpy) : 1 J, 2 J, 4 J, 5 J, 7.5 J, 15 J, 25 J, 50 J
Pendulum Pre-evaluation Angle : 150°
Impact Velocity : 2.9 m/s, 3.5 m/s, 3.8 m/s

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Falling Weight Impact Tester LFWIT-A10

Dart Head Mass : 50 to 2000
Mass Increment : 5 g
Impact Height : 1500 mm
Dart Head Quality : A method: R38 ± 1 mm B method: R50 ± 1 mm

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Oxygen Index Tester TOIT-A10

Resolution : 0.1 % O2
Measuring range : 0 to 100 % O2
Precision : ± 0.4 % O2
Response time : < 10 S

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Pendulum Impact Tester LIPT-A11

Impact Energy : Standard: 1 J, 2 J, 3 J Customizable: Up to 5 J
Resolution : 0.001 J
Punch Size : Փ 25.4 mm, Փ 12.7 mm
Sample Clamp Diameter : Փ 60 mm, Փ 89 mm

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Heat Seal Tester LHST-A10 FAQ's

Labtron’s Heat Seal Tester is designed with double temperature control and double display, allowing precise monitoring and adjustment of the sealing conditions. It uses a cylinder external structure that ensures even pressure distribution, reducing inconsistencies in sealing. Additionally, the double heating system provides uniform heat application, which is crucial for achieving strong and reliable seals. These features make it highly suitable for research, quality control, and industrial applications where precision is essential.
The heat sealing properties of packaging materials directly affect the integrity and shelf life of packaged products. Temperature determines how well the material melts and fuses together, pressure ensures proper adhesion, and time controls the duration of heat exposure to achieve a strong bond. If any of these factors are not optimized, the packaging may develop weak seals, leading to contamination, leakage, or product degradation. Our Heat Seal Tester allows manufacturers and researchers to fine-tune these parameters for the best sealing performance.
Yes, the Heat Seal Tester is highly versatile and can test a wide range of materials, including plastic film substrates, flexible packaging composite films, coated paper, and aluminum foil. Since different materials have unique melting points and sealing requirements, the device’s customizable temperature, pressure, and sealing time settings make it adaptable for various industrial applications.
Our Heat Seal Tester is a valuable tool for R&D laboratories working on developing new packaging materials. By simulating real-world sealing conditions, researchers can study how different materials respond to heat sealing and optimize their properties for durability, sustainability, or cost-effectiveness. It is particularly useful for testing eco-friendly and biodegradable packaging materials, ensuring they meet industry standards while maintaining seal integrity.
Safety is a priority in heat-sealing devices, especially when operating at high temperatures. Labtron’s Heat Seal Tester is designed with precise temperature control, preventing overheating that could damage materials or pose safety risks. The external cylinder design ensures controlled pressure application, reducing the risk of sudden pressure fluctuations. Furthermore, the foot switch operation allows users to safely control the sealing process without direct hand contact with the heated parts.