Flex Durability Tester

The Flex Durability Tester is suitable for testing the rub resistance of various flexible films, composite films, and coated films. It is also known as a rub tester or film rub tester. It can simulate the rubbing, folding, and pressure damage that films experience during production, processing, and transportation. After the rub test, the material's rub resistance is evaluated by detecting changes in the number of pinholes or the barrier properties before and after the test, providing quantitative data for packaging design and practical applications.

Applications

- Packaging Industry: The rubbing resistance tester is widely used in the packaging industry. It helps enterprises detect the anti - rubbing ability of packaging materials, ensuring that products will not be damaged by external rubbing during transportation and storage. For example, food packaging and pharmaceutical packaging have extremely high requirements for rubbing resistance. Only through strict testing can the integrity of the packaging be guaranteed, thus safeguarding the quality and safety of the products.

- Material R & D: In the field of material research and development, the rubbing resistance tester is an indispensable tool. Experimenters can use it to study the performance characteristics of different materials, optimize material formulations and processes, and develop more durable and reliable new materials.

- Optimized Design: The test results of the rubbing resistance tester can provide quantitative data for packaging designers, helping them understand the performance of materials under specific conditions, thereby optimizing packaging designs. For example, designers can adjust the thickness, structure, or coating of packaging materials according to the test results to improve the durability and reliability of the packaging.

- Quality Control: Manufacturers can use the rubbing resistance tester to ensure that the quality of packaging materials meets relevant standards and regulatory requirements, thereby enhancing the market competitiveness of products and reducing safety risks caused by packaging problems.

Standards

ASTM F392: Test Method for the Flexural Resistance of Flexible Barrier Layer Materials

YY/T 0681.12: Test Methods for Sterile Medical Device Packaging - Part 12: Soft Barrier Materials - Resistance to Stretch

GB/T 41347-2022: Test Method for the Stretch Resistance of Flexible Packaging Materials

Features

7-inch touchscreen operation for convenient and quick setting of test parameters

Password login for four-level management access

Four sample stations easily enable combined tests under different conditions

Servo motor control ensures precise stroke positioning, further guaranteeing the accuracy of test results

Equipped with a mini printer for convenient data printing at any time

Brand-name drive motors offer strong environmental adaptability, stability, and durability

Precision-machined motion mechanisms ensure low-noise operation

Program limit protection and an emergency stop button provide both hardware and software protection for the instrument.

Technical Parameters

Technical Parameter	Specification
Rubbing Frequency	Usually adjustable, such as 45 times per minute, etc., used to simulate the rubbing frequencies that packaging materials may encounter in actual use.
Number of Rubbing Times	Usually, there are multiple modes available, such as Mode A (2700 times), Mode B (900 times), Mode C (270 times), etc., to meet different testing requirements. Some devices also support arbitrary settings of the number of rubbing times for more flexible testing.
Specimen Size	Determined according to testing standards or actual requirements, such as 120×30mm, etc. The selection of specimen size should ensure that it can fully reflect the rubbing resistance performance of the material.
Control System	An advanced control system enables automated operation, reducing human-induced errors. Meanwhile, the control system can also be used to set and control test conditions, such as the number of rubbing times and speed.
Monitoring System	It includes force sensors and other detection devices, used to monitor the state changes of specimens in real-time during the test. This is crucial for analyzing the durability of materials and identifying potential defects.
Safety Devices	To ensure the safety of operators, the rubbing resistance tester is usually equipped with various safety protection measures, such as emergency stop buttons and overload protection.

Accessoriess

The standard configuration of the Flex Durability Tester includes the main unit, a 7-inch HMI touchscreen, a PLC control system, a precision ball screw, and a servo motor. Additionally, the following accessories are provided:

Sample clamp: Used to fix the sample and ensure it does not shift during testing.

Pinhole detection device: Used to detect changes in the number of pinholes in the sample before and after the rubbing test.

Barrier performance testing device: Optional, used to detect changes in the barrier properties of the sample before and after the rubbing test.

Operator manual: Provides detailed instructions on instrument operation, maintenance, and other related information for user convenience.

Test Procedures

1. Equipment Preparation

Check the instrument's safety devices (emergency stop button, overload protection).

Connect the power supply and allow it to warm up. Confirm that the control system (including the display screen) and monitoring system (force sensor) are functioning normally.

2. Sample Preparation

Cut the sample according to the test standard (e.g., GB/T 41347) (e.g., 120x30mm), ensuring the sample surface is clean, undamaged, and meets the dimensional requirements for abrasion resistance testing.

3. Parameter Setting

Select the compliant standard (GB/T 41347/ISO/ASTM) via the display screen, and set the friction frequency (e.g., 45 times/minute), number of friction cycles (e.g., Mode A 2700 times), and other test conditions.

4. Sample Clamping

Fix the prepared sample onto the instrument fixture, ensuring secure clamping and proper alignment (for multi-sample positions).

5. Starting the Test

After confirming that the parameters and sample loading are correct, start the automatic test program. The instrument will run the friction test according to the set conditions, and the monitoring system will record the sample status in real time.

6. Post-Test Operation

After the automatic test ends, remove the sample and observe its wear condition (e.g., damage, degree of wear); export the test data recorded by the system and determine whether the abrasion resistance performance is qualified based on the standard.

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