Heat Seal Tester LHST-T2011

Introduction

Heat Seal Tester offers a wide range of heat-sealing temperature from RT to 300℃. It supports both single and double-segment testing, making it highly versatile. This tester is able to simultaneously test up to five different temperature segments. The sealing process occurs under a controlled temperature, pressure, and time to mimic real production conditions. Our tester is suitable to determine the optimal heat-sealing parameters for various plastic film substrates, flexible packaging films.

This test equipment is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Our Heat Seal Tester 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.

Specifications

Heat Sealing Temperature	RT to 300℃
Temperature Control Accuracy	± 1℃ (0.1℃ customizable)
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 tool: (35 × 10 mm)× 5 segments Upper sealing tool: customizable with silicon pad
Heat Sealing Heating Form	Double heating
Operating Mode	Automatic and manual
Power Supply	AC 220 V, 50 Hz
Dimension	700 × 400 × 540 mm

Features

Dual operating mode

High heat sealing efficiency

Adjustable sealing time and pressure

Compact and durable design

High-precision components

Three-axis external cylinder

FAQs

1. 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.

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

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.

3. What safety features are included in the Heat Seal Tester?

Safety is a priority in heat-sealing devices, especially when operating at high temperatures. 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.

4. What heating mechanism does the Heat Seal Tester use?

Heat Seal Tester utilizes a double-heating system, where both the upper and lower heating elements apply controlled heat to the test material. This system ensures uniform heat distribution, leading to consistent sealing results. The lower heating tool measures 35×10mm, while the upper tool features up to five customizable segments for multi-temperature testing. The double-heating mechanism enhances efficiency and ensures that both sides of the material achieve the necessary temperature for a strong bond.

5. 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. Heat Seal Tester allows manufacturers and researchers to fine-tune these parameters for the best sealing performance.