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Image Aluminum Screw Caps Breakdown
Technical Insights

Aluminum Screw Caps Breakdown: Micron-Calibrated Internal Threads and High-Density Liner Attributes

Cross-border freight exposes liquid packaging to extreme pressure changes and continuous vibrations. This article explores the leak-proof engineering behind Legend Cap’s standard aluminum screw caps. By combining micron-calibrated threads for precise engagement with high-density liners to fill micro-gaps, these closures guarantee zero leakage even under -0.08 MPa vacuum pressure.

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