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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A deep drawing aluminum sheet (such as 8011 or 3105 aluminum alloy) is a specially treated aluminum material designed for metal stamping and forming processes.

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8011 olive oil bottle cap aluminum plate must meet the four core requirements of food contact safety, high barrier properties, corrosion resistance and visual texture.

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Among the many materials used for caps, 8011 pre-coated aluminum strip​ has become the mainstream choice for premium wine closures thanks to its excellent performance and processing adaptability.

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For wine bottle caps—especially modern aluminum screw caps​ (commonly referred to as “high aluminum caps” or “BVS caps”)—the most suitable alloys are typically from the 8xxx or 3xxx series aluminum alloys.

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MC Aluminum is a professional supplier of aluminum closure coils, offering complete solutions for all types of cap applications, such as aluminum screw caps, ROPP caps, small vial seals, Omnia caps, twist-off caps, EOE ends, and cosmetic packaging.

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8011 aluminum foil for anti-theft cap closure is the preferred material in the bottle cap packaging industry. It is typically processed with coating, printing, and lamination, and is widely used in ROPP caps for wine bottles, beverage bottles, cosmetic co

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As the core material for ROPP cap production, 3105 and 8011 aluminum sheets dominate the industry due to their excellent performance and workability.

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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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