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Heat Seal Tester

Heat Seal Tester

Model: ST-RF-2
Sealing Temperature: Room temperature ～ 300℃ (Accuracy ±1℃)
Sealing Pressure: 0 ～ 0.7Mpa
Sealing Time: 0.01 ～ 9999.99s

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Product Description

Product Introduction

Adopting thermal compression sealing testing principle, HSPT-01 heat seal tester is used to measure key heat sealing parameters including heat seal pressure, temperature and time of flexible packaging laminated films, plastic film substrates, coated paper and other heat-sealable composite films. It is an indispensable testing instrument for laboratories, scientific research institutes and on-site production lines.

1. Application Fields

Classification	Material Type	Application Description
Basic Application	Film Materials	Conduct heat seal tests on various plastic films, plastic composite films, paper-plastic composite films, co-extruded films, aluminized films, aluminum foils and aluminum foil composite films. The sealing surface is flat and smooth, and the sealing width can be customized as required.
Extended Application	Plastic Hoses	Place the tail of plastic hose between upper and lower sealing jaws to heat-seal the hose tail to form an enclosed packaging container.
Extended Application	Jelly Cup Lids	Place jelly cups into the opening of the lower sealing jaw (the opening matches the outer diameter of jelly cups, and the flanged rim of cup mouth rests on the edge of the opening). The upper jaw is circular; lower the jaw to complete heat sealing of jelly cups. (Custom accessories required)

2. Test Principle

Heat seal materials with different melting points, thermal stability, fluidity and thickness present distinct heat sealing performance, with drastically different optimal sealing process parameters.

This tester adopts thermal compression sealing method: place test samples between upper and lower heating jaws, complete sealing under preset temperature, pressure and dwell time. By performing sealing tests under varied temperature, pressure and time combinations, accurate heat sealing performance indicators can be obtained with supporting testing equipment.

3. Product Features

7-inch high-definition color touch screen for convenient test operation
Dual PID temperature control for heating jaws, high precision of pressure and temperature regulation
Two test trigger modes: manual & foot pedal; user-friendly human-machine interface with anti-scald safety design
Numeric input of heat seal pressure, temperature and time; system auto-adjusts parameters without manual fine-tuning
Independent temperature control for upper and lower heating jaws; dual bottom-mounted air cylinders with synchronous loop design
Brand-name components and imported high-speed high-precision sampling chips to guarantee real-time and accurate test data
Quick access to historical test data records

4. Technical Specifications

Item	Parameter
Heat Seal Temperature	Ambient Temperature ~ 300 ℃
Heat Seal Pressure	0.05 MPa ~ 0.7 MPa (subject to sealing area)
Heat Seal Dwell Time	0.1 s ~ 999.9 s
Temperature Control Accuracy	±0.2 ℃
Heat Seal Area	330 mm × 10 mm (customizable)
Heating Mode	Dual-sided heating (upper & lower jaws with independent temperature control)
Air Supply Pressure	0.7 MPa ~ 0.8 MPa (air compressor to be provided by user)
Air Connector	Φ6 mm polyurethane tube (compressed air source to be prepared by user)
Power Supply	Standard: AC 220 V, 50 Hz
Overall Dimensions	550 mm (L) × 340 mm (W) × 450 mm (H)
Net Weight	40 kg