Aluminum ROPP caps, also known as anti-theft bottle caps, are mainly made of aluminum alloy 3003 H16 or 8011-H14. The caps are made of high-quality 3003 or 8011 aluminum alloy materials processed on a highly automated production line. They are widely used In the sealing of bottles for beverages, wines, medicines and health care products, cosmetics, snacks and other products. Caps made of 3003-h16 aluminium alloy are good in sealing effect, excellent in special requirements of high-temperature cooking and sterilization, and is well received by the market.
The production of 3003 aluminum alloy for bottle caps can be respectively made by hot-rolling billets or continuous casting and rolling billets, which are made by cold rolling. At present, the production plants of China defense thief cover material mostly use continuous casting and rolling billets, which is better than casting and rolling billets. The market demand for aluminum anti-theft bottle caps is large. The performance parameters of raw materials, including strength, elongation and dimensional deviation, are very strict. The bottle cap material is required to be flat, free of roll marks, scratches and stains. Only in this way can it be ensured that the cap is easy to print after being formed, and no cracks or creases will occur after processing. The material specifications of 3003h16 aluminum alloy for bottle caps produced by Haomei are usually 0.20-0.23mm in thickness and 449mm-1600mm in width, and can be customized according to user needs.