The Heat Seal Tester is a precision laboratory instrument designed to evaluate the heat sealing performance of flexible packaging materials. It helps determine suitable sealing conditions by applying controlled temperature, pressure and dwell time to the test specimen. The machine is useful for testing plastic films, laminated materials, foils and other heat-sealable packaging materials. Controlled sealing conditions help manufacturers evaluate seal quality and maintain consistency during packaging production. The tester is commonly used in packaging laboratories, quality control departments and research facilities. Models with a 150 mm sealing jaw are widely used for laboratory heat seal testing and may follow ASTM F2029.

Key Features

• 150 mm sealing jaw for laboratory testing
• Microprocessor-based control system
• PID-based temperature control system
• Adjustable sealing temperature
• Adjustable dwell time
• Mild steel powder-coated body

Technical Specifications

• Temperature Accuracy ±1°C
• Least Count / Resolution 0.1°C
• Temperature Controller 4-Digit PID Controller
• Temperature Control Dual Temperature Control
• Dwell Time 0.1 – 99.9 Seconds
• Timer Digital Timer
• Heat Sensor Pt-100 RTD
• Sealing Pressure 2 – 6 Bar
• Power Supply 220V, Single Phase, 50 Hz
• Machine Body Mild Steel, Powder-Coated

Applications

• Plastic Films
• Flexible Packaging Films
• Laminated Films
• Plastic Pouches
• Aluminium Foils
• Pharmaceutical Packaging
• PE and PP Films
• Other Heat-Sealable Materials

Uses

• To determine suitable sealing temperature
• To check the effect of sealing pressure
• To evaluate dwell time during sealing
• To produce consistent laboratory heat seals