The packaging industry relies heavily on aluminum materials due to their excellent barrier properties, non-toxicity, malleability, and recyclability, with 1xxx series pure aluminum products dominating the sector as core raw materials. 1xxx series aluminum coils and aluminum discs (aluminum circles) are the two most representative products, featuring high aluminum purity (over 99.6% for 1060 grade), soft texture, and superior processing performance. This article elaborates on their applicable scenarios, core performance advantages, and standardized selection key points to guide packaging manufacturers in choosing the right pure aluminum products for different packaging needs.
Ⅰ. Core Advantages of 1xxx Series Pure Aluminum for Packaging
1xxx series aluminum (mainly 1050, 1060, 1100) is a high-purity pure aluminum material with no additional alloying elements added, ensuring non-toxic and odorless properties that fully comply with global food hygiene and packaging safety standards. It features outstanding barrier performance, effectively blocking light, oxygen, moisture, and bacteria, which greatly extends the shelf life of packaged goods. Additionally, its high ductility allows for easy rolling, stamping, and deep drawing, adapting to various packaging processing techniques such as blank forming, disc stretching, and container molding.
Ⅱ. Adaptable Scenarios of 1xxx Series Aluminum Coils
1xxx series aluminum coils are mainly used in packaging processing scenarios with stable thickness and good formability (generally 0.1mm–1.0mm). Common applications include food packaging substrates, bottle cap materials, metal lid blanks, cosmetic container shells, disposable tableware substrates, and industrial protective packaging liners. 1xxx aluminum coils are preferred for scenarios requiring good ductility, stable structure, and convenient stamping and cutting, making them ideal for mass production of packaging components.
Ⅲ. Adaptable Scenarios of 1xxx Series Aluminum Discs
1xxx series aluminum discs are round blanks stamped from pure aluminum coils, mainly used for rigid packaging and container molding that requires stretching and deep drawing. Typical scenarios include aluminum food containers, disposable lunch boxes, cookie tins, tea canisters, cosmetic powder boxes, and various metal packaging lids. The high purity and softness of 1xxx aluminum discs ensure no cracking or breaking during the deep drawing process, producing smooth, seamless packaging containers with good airtightness. They are widely used in food, daily chemical, and gift packaging industries with high molding requirements.
Ⅳ. Scientific Selection Key Points for Packaging Manufacturers
When selecting 1xxx series aluminum coils or discs, first clarify the packaging type (flexible substrate vs. rigid molding) to determine the product form. For stamping, cutting and substrate applications, choose aluminum coils with suitable thickness and width; for deep drawing into containers or lids, select aluminum discs with proper diameter and thickness. Secondly, prioritize purity and temper: O temper 1060 aluminum is recommended for high ductility needs, while H12/H14 temper suits semi-rigid packaging with certain hardness requirements. Finally, ensure the product meets food-grade safety standards for food and pharmaceutical packaging applications.
Jinan Zhongfu Aluminum Co., Ltd. has more than 13 years of experience in the aluminum industry. Our main products cover 1xxx/3xxx series aluminum sheets / coils, aluminum roofing, embossed aluminum sheets / coils, 1xxx/3xxx series aluminum discs, color-coated aluminum sheets / coils, aluminum strips and customized aluminum products. These products are widely used in construction, automotive, packaging, marine, aerospace, industrial equipment and other fields. We adhere to the concept of "quality first, customer-oriented" and provide global customers with one-stop aluminum product solutions.
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