ISO 11540 Pen Cap Air Flow Testing Machine Explained

Other Videos
June 29, 2026
Video Description:
Need quick answers about practical use? This video highlights the essentials. Join us for a detailed walkthrough of the ISO 11540 Pen Cap Air Flow Testing Machine, where we demonstrate how this specialized instrument measures air ventilation in pen caps according to international safety standards. You'll see the testing process in action, learn about key technical parameters, and understand how it ensures compliance with regulations like GB21027 and ISO 11540 for child safety.
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