Simple Introduction to Aluminum Closure Sheets

Bottle closure aluminum sheet is also called aluminium coil for ropp caps, pp cap sheet etc. Applicable aluminium alloys include 1060, 3104, 3105, 5052, 5182 and 8011 etc. The sheets are mainly used in areas of liquor, beverage, cosmetic and pharmaceutical packing etc. Although almost all aluminum sheet manufacturers can produce the alloys mentioned above, few of them can supply really high quality aluminum coil sheet for ropp caps, the production of which entail high-tech process and equipment. The sheets go through cold rolling, foil rolling, annealing, a second foil rolling, bending for flattening and slitting before being finished. Superior pp closure sheets are featured by light weight, superior barrier properties, good formability, bright finish and excellent printable performances.

Haomei supplies aluminium closure sheets of thickness from 0.012mm to 0.5mm. The sheets are suitable for both transparent and non-transparent lacquering, showing low earring rate in deep drawing of long caps. Our aluminium closure sheets have beautiful and clear patterns, smooth surface, accurate sizes, good resistance to high temperatures and excellent sealing effect. Multiple colors can be printed on the surface, and the colors will last long in spite of exposure to sun shine or moisture. In addition, the sheets are of such an appropriate strength that they will not bend under production pressuring yet stay intact around bottle necks like a soft piece of sealing rubber.