Chromium plating and DOS treatment ​are two common aluminum sheet surface processing techniques widely used in manufacturing premium cosmetic bottle caps.

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In the production of ROPP (Roll-On Pilfer-Proof) bottle caps, the selection of aluminum alloy must take into account deep-drawing performance, corrosion resistance, cost-efficiency, and food safety compliance.

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The 3105 closure sheet features excellent deep-drawing performance, with material strength, elongation, and processability meeting the requirements of automated cap manufacturing processes.

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In the modern beverage packaging industry, the choice of bottle caps is crucial. With increasing consumer demands for quality, environmental sustainability, and safety, aluminum alloy sheets have become the material of choice for bottle caps due to their

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8011 aluminum alloy​ has become the mainstream choice for oral liquid aluminum caps due to its unique performance advantages.

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While maintaining excellent ductility and plasticity, 3105 aluminum sealing plate has better corrosion resistance and surface coating performance, which is very suitable for bottle cap manufacturing processes such as deep drawing and stamping.

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Bottle cap aluminum foil typically uses 8011 aluminum alloy (such as H14, H16, H18 temper) with a thickness range of 0.006-0.5mm.

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3105 aluminum sealing plates are lightweight, corrosion-resistant and have good formability, so they are widely used in wine bottle caps, beverage bottle caps, cosmetic bottle caps, etc.

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