Haomei Aluminum is a member of famous aluminium for ropp caps suppliers based in China, our customers spanning the whole world. Positive reputation are gained from our 3105 and 8011 aluminium coil sheet for ROPP caps. The ROPP caps stands for roll on pilfer proof caps.

ROPP caps are usually made using aluminum alloy sheets, and commonly used alloys include 3105 and 8011. These aluminium alloys have good corrosion resistance, strength and machinability and are suitable for making bottle caps. For thickness, the thickness of roll on pilfer proof caps is usually determined based on specific needs and design. Generally, the thickness can be adjusted according to the size of the cap and the load bearing requirements, and the common thickness range of aluminium for ropp caps is between 0.5-2.0mm.

Surface treatment methods are critical to the quality and appearance of ropp caps. Common surface treatment methods by aluminium for ropp caps suppliers include anodizing, spraying, and plating. These treatments can improve the corrosion resistance, aesthetics, and anti-scratch properties of aluminum sheet for ROPP caps.

For quality requirements, ropp caps need to meet certain strength, sealing and anti-theft properties. In the production process, it is necessary for aluminium for ropp caps suppliers to ensure that the dimensional accuracy, surface quality and material quality of the bottle cap meet the relevant standards. In addition, strict tests and inspections are required to ensure the reliability and safety of the bottle caps.

Roll-on pilfer-proof caps are specially designed caps designed to prevent unauthorized opening and theft. These caps utilize a rolling technique that allows the cap to be tightly fitted to the mouth of the bottle, creating an anti-theft structure. Key features of Roll-on pilfer-proof caps include:

Tight fit: Roll-on technology allows the cap to be tightly fitted to the mouth of the bottle without gaps, thus effectively preventing unauthorized opening.

Anti-theft design: caps are usually designed with anti-theft rings or tabs inside the cap. These structures can be damaged in the event of unauthorized opening, thus leaving traces for easy detection and traceability.

Easy to produce: Roll-on pilfer-proof caps are relatively simple to produce and easy to automate, resulting in relatively low costs.

Environmentally friendly: Roll-on pilfer-proof caps are usually made of recyclable materials, which is environmentally friendly.