Heat Sealer Tester/Laboutory Heat Sealer (300mm)
Accurate Heat Seal Strength and Sealability Testing for Flexible Packaging
4B Testing Equipments Pvt. Ltd. offers a high-quality Pneumatic Laboratory Heat Sealer, also known as a Heat Seal Tester, designed to produce uniform and repeatable heat seals on flexible packaging materials. The machine is widely used to determine the optimum sealing temperature, sealing pressure and dwell time required for different films, laminates and packaging structures.
Description
Accurate Heat Seal Strength and Sealability Testing for Flexible Packaging
4B Testing Equipments Pvt. Ltd. offers a high-quality Pneumatic Laboratory Heat Sealer, also known as a Heat Seal Tester, designed to produce uniform and repeatable heat seals on flexible packaging materials. The machine is widely used to determine the optimum sealing temperature, sealing pressure and dwell time required for different films, laminates and packaging structures.
The pneumatic operating system provides uniform sealing pressure, reducing operator variation and improving the repeatability of test samples. The machine is available with the following jaw sizes:
- 150 mm Jaw Size
- 300 mm Jaw Size
- 500 mm Jaw Size
The Laboratory Heat Sealer is suitable for packaging quality control, seal parameter development, R&D applications and preparation of heat-sealed specimens for further seal-strength testing.
Available Models
Model | Sealing Jaw Length | Suitable Applications |
LHS-150 | 150 mm | Small samples, laboratory testing and R&D |
LHS-300 | 300 mm | Standard flexible packaging and laminate testing |
LHS-500 | 500 mm | Wide films, large packaging samples and production development |
Applicable Standards
The Laboratory Heat Sealer can be configured according to relevant heat-sealing test methods and packaging requirements, including:
- ASTM F2029 – Heat-sealing properties of flexible webs
- ASTM F88 / ASTM F88M – Seal strength of flexible barrier materials
- ISO 11607 – Packaging for terminally sterilized medical devices, where applicable
- Applicable IS/BIS and customer-specific standards
Jaw size, sealing width, temperature range, pressure and dwell time can be customized according to the packaging material and testing requirement.
Feature
- Pneumatic sealing operation
- Available jaw lengths: 150 mm, 300 mm and 500 mm
- Uniform and controlled sealing pressure
- Digital temperature control
- Accurate temperature setting and monitoring
- Adjustable sealing dwell time
- Adjustable pneumatic pressure
- Uniform heating across the sealing jaw
- Easy-to-use digital control panel
- Repeatable and consistent heat-seal samples
- Suitable for different packaging films and laminates
- Robust laboratory-grade construction
- Compact and low-maintenance design
- Custom jaw size and sealing width available
Benifits
Benefits
Uniform Sealing Pressure
The pneumatic system applies consistent pressure across the complete jaw length, improving seal quality and repeatability.
Accurate Seal Parameter Development
The machine helps determine the correct combination of temperature, pressure and dwell time for different packaging materials.
Improved Packaging Quality
Consistent laboratory heat seals help evaluate sealing performance before production use.
Reduced Seal Failure
Testing helps reduce weak seals, leakage, package opening and sealing defects.
Suitable for R&D and Quality Control
The machine supports new packaging development, material comparison and routine quality testing.
Repeatable Test Samples
Controlled digital settings reduce operator variation and provide consistent heat-sealed specimens.
Technical Specialization
Parameter | Specification |
Product Name | Pneumatic Laboratory Heat Sealer / Heat Seal Tester |
Operation | Pneumatic |
Available Jaw Lengths | 150 mm, 300 mm and 500 mm |
Sealing Jaw Width | Standard 15 mm or as required |
Temperature Control | Digital PID temperature controller |
Temperature Range | Ambient to 300°C or as per model |
Temperature Accuracy | ±2°C or better, depending on configuration |
Heating System | Electrically heated sealing jaws |
Sealing Pressure | Adjustable through pneumatic regulator |
Minimum Air Pressure | Approx. 6 bar |
Air Supply | Clean, dry and oil-free compressed air |
Dwell Time | Digital adjustable timer |
Timer Range | Adjustable as per model |
Jaw Operation | Pneumatic open/close mechanism |
Temperature Display | Digital display |
Power Supply | 230 V AC, Single Phase, 50 Hz |
Machine Construction | Heavy-duty laboratory-grade structure |
Optional Features | Customized jaw width, temperature range, sealing pressure and programmable controls |
Applications
Applications
The Pneumatic Laboratory Heat Sealer is used for:
- Heat-sealability testing of flexible packaging materials
- Determining optimum sealing temperature
- Evaluating the effect of sealing pressure
- Evaluating sealing dwell time
- Preparing heat-sealed specimens for seal-strength testing
- Developing heat-sealing parameters for new packaging materials
- Comparing the sealability of different films and laminates
- Quality control of packaging materials
Suitable Materials
- Polyethylene (PE) films
- Polypropylene (PP) films
- BOPP films
- PET films
- Multilayer laminated films
- Aluminium foil laminates
- Barrier films
- Co-extruded films
- Flexible packaging materials
- Pouches and sachet materials
Industries Served
- Flexible packaging manufacturers
- Food and beverage packaging industries
- Pharmaceutical packaging industries
- Plastic film manufacturers
- Lamination and converting industries
- Packaging material manufacturers
- Medical packaging industries
- FMCG packaging industries
- Research and development laboratories
- Packaging quality control laboratories
