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January 2024

24.01.13 Criteria for Determining Airtightness-Cover

An article to understand the air tightness tester equipment to determine the standard of good and defective products

This paper introduces the working principle of the air tightness tester and the criteria for judging whether a product is air tight or not. It assesses whether a product is qualified or not by measuring the leakage volume/leakage rate, which are key indicators of a product's sealing performance. The article also discusses how to set the values of leakage volume and leakage rate, and emphasizes the importance of further testing of products close to the thresholds in specific cases.

2. Negative Pressure Air Leak Tester

Best Practice Guide for Selection of Airtightness Testing Equipment, Comprehensive Comparison of the Advantages and Disadvantages of Vacuum & Positive Pressure Leak Detection

This article describes the importance of airtightness testing in product manufacturing and details two airtightness testing techniques, vacuum leak detection and positive pressure leak detection. The article also compares the advantages and disadvantages of the two techniques and gives suggestions for selecting an appropriate airtightness testing strategy. Finally, JCGK, an industry-leading airtightness testing solution provider, is recommended.

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