Packaging Film Shrinkage Tester

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Whats/App: +86 156 1874 6768

Web: standard-groups.com

Standards

ASTM D2732: Standard Test Method for Unrestrained Linear Thermal Shrinkage of Plastic Film and Sheeting

ISO 14616:1997: Plastics — Heat shrinkable films of polyethylene, ethylene copolymers and their mixtures — Determination of shrinkage stress and contraction stress

DIN 53369: Testing of plastic films; determination of the shrinking stress

GB/T 13519-2016:Polyethylene heat-shrinkable film for packaging applications

Features

Digital P.I.D. temperature control technology ensures the preset temperature to be reached rapidly without any fluctuation

The instrument is heated through fluid medium, which could provide the stable test environment

Automatic timer function to efficiently guarantee the accuracy of test data

The instrument is controlled by micro-computer with LCD, PVC operation panel, and menu interface

Standard clamp wire mesh support could make the test done smoothly

Technical Parameters

Accessoriess

Standard Configurations: Instrument, Micro Printer, 1 Set of Clamp Wire Meshes

Optional Parts: Clamp Wire Mesh and Clamp Wire Mesh Support

Test Procedures

1. Equipment Preparation

Check that the liquid heating medium (e.g., silicone oil) is sufficient. Connect the power supply, turn on the instrument, preheat, and calibrate the temperature control system to ensure the temperature stabilizes within the required test range.

2. Sample Preparation

Cut film samples (e.g., 100x100mm) according to standards such as ASTM D2732. Measure and record the initial length and width dimensions of the sample using calipers.

3. Parameter Settings

Select the compliant standard through the instrument interface and set the test temperature (multiple temperatures are available), holding time, and other test conditions.

4. Test Start

Place the sample flat in the liquid heating medium without constraint, start the test program, and maintain the set temperature and duration to complete the heat shrinkage process.

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