8011 and 3105 Aluminum for Bottle Caps

Aluminum bottle caps are mostly processed on production lines with a high degree of automation, so the requirements for material strength, elongation and dimensional deviation are very strict, otherwise cracks or creases will occur during processing. The common alloys are 8011, 3003 and 3105. The general thickness is 0.20mm~0.23mm and the width is 449mm~796mm.

3105 aluminum coil is used for threaded caps, PP caps for highly carbonated beverages, beverage cans, etc. When the cap is used to encapsulate carbonated beverages, 3105 alloy must be used. In addition, the 3105 aluminum sheet is also used in cosmetic bottle caps. It belongs to Al-Mn alloy with all tempers including O, H12, H14, H18, H22, etc.

The main alloy elements of 8011 aluminum alloy are Fe and Si, and the rest are trace impurity elements. 8011 aluminum alloy is the main material of PP and ROPP bottle caps. In addition to the good deep drawing performance and low ear making rate of 8011 aluminum foil, 8011 aluminum bottle cap material has been processed and hardened to a certain degree of strength, making it more in line with the requirements of bottle cap materials.

Their surface treatments are different according to the customers’ requirements. The aluminum plain sheet for making bottle cap is mill finish. It has two types: DOS oil coated aluminum sheet and common aluminum sheet. To obtain better decoration effect, we can use the color coated or color printed aluminum sheet for making bottle caps.

In addition to 3105 and 8011 aluminium foil, 5052, 5005, 5083 and 5A05 aluminum alloys can also be used to make aluminum bottle caps. The main element of 5 series aluminum coils is magnesium, with a magnesium content between 3-5%. It can also be called aluminum-magnesium alloy. The main features are low density, high tensile strength and high elongation.

Haomei Aluminum offers different types of aluminum bottle cap materials with rich alloy, which are widely used in bottle cap packaging for wine, beverages, pharmaceutical caps, cosmetics and other fields, and are exported to more than 40 countries and regions including South Korea, North America, Southeast Asia, and the United States. Welcome to leave message below to inquire what you need.

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