Here are 10 tips for choosing the right zipper according to the zipper reciprocating pull tester:

1. Determine the test method: The test instrument can be used for two types of tests: Open-Loop and Closed-Loop. In the open-loop test, only one zipper slider is clamped and tension is applied to it; while in the closed-loop test, the test specimen clamps the continuous chain and stretches and releases the entire zipper. The choice of test method should take into account the actual use scenario.

2. Test sample preparation: For how to prepare zipper samples, decide whether to include the zipper head, tail or only the middle part of the zipper, etc. according to the actual use requirements.

3. Test speed: The choice of test speed should also take into account the actual use scenario. For example, the test of sportswear zippers usually uses a relatively fast speed.

4. Pressure adjustment: The pressure needs to be adjusted during the test to ensure that the applied pulling force matches the actual use conditions.

5. Accuracy and repeatability: The test instrument should have high precision and good repeatability so that reliable testing can be performed and small changes can be detected.

6. Data Collection: Choose a test instrument with data collection and analysis capabilities to better measure test results and diagnose problems.
source: https://www.standard-groups.com/en/News/879.html#m

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