20

Jul

Pure Aluminum Foil

Pure alu foil is specified according to the application, with the most common alloys being 1050, 1235 and 8079. Alloy 1050 in tempers H22 or H24 offers excellent formability for container making. Thicknesses from 30 to 200 microns. For lamination applications, soft O temper 1235 or 8079 alloys are preferred with thickness from 6 to 30 microns. The high purity of these alloys, generally greater than 99.5% aluminum, provides a regular grain structure and uniform forming characteristics. The widths are made to measure for the customer, from 200 mm up to 1200 mm. Since there are no significant alloying elements, the foil stays soft and flexible, but has sufficient strength for its intended use.



It is evident that production of pure aluminum foil entails a sophisticated manufacturing process that demands stringent process control measures. In the case of rolling, it is required that there is accuracy in thickness tolerance without compromising on the surface finish that should be free from any form of scratches, pitting, and oil marking. Annealing is done in a way that there is accuracy in obtaining the intended temper without affecting the purity aspect of the product. Degreasing is carried out to eliminate all forms of rolling oils. Inspections are carried out continuously to determine the level of accuracy in thickness and presence of holes.

Pure aluminum foil offers obvious benefits in a variety of industries. In making food containers, the high level of purity allows excellent forming capabilities without producing cracks in complicated shapes. Consistent grain size prevents localized thinning that could result in container breakage. In flexible packaging lamination, pure aluminum foil is an effective barrier material with very low pinhole density, enabling long shelf life. Also, due to its clean surface, strong adhesion is guaranteed with paper, film, or any other materials. In the pharmaceutical industry, no questions arise about chemical reactions with active ingredients. In decoration, the shiny, smooth surface makes for a good-looking item.



The pure aluminium foil is widely used in packaging and industrial applications. In food packaging, it is the barrier layer in coffee pouches, chocolate wraps and snack bags, where it blocks oxygen and moisture from reaching the product. In pharmaceutical packaging it provides the impermeable barrier in blister packs and unit-dose strips, extending the efficacy of medication. Used in the food service industry for premium foil containers that require a smooth, attractive finish. In industrial applications it is used as a component of capacitors, insulation systems and decorative laminates. Pure aluminum foil’s flexibility lends itself to a wide variety of industries, all of which benefit from the material’s uniform quality and performance.

Pure aluminum foil presents several benefits over regular and recycled content foils for use in quality-sensitive applications. Regular foils might contain impurities that lead to thinning, pinholes, or inconsistent finishes. Recycled content foils might have inconsistent mechanical properties due to the inconsistency of input materials. Pure aluminum foil ensures uniform properties across the whole roll, hence constant quality through the whole process. The clean finish of pure aluminum foil makes it easier to print on and coat for branding. Although pure aluminum foil is more expensive than regular foils, the reduction in defects, increased efficiency in production, and overall quality make it worth the cost.



Making high-quality pure aluminum foil requires the experience of a professional manufacturer, and that is what Henan Tendeli Metallurgical Materials Co., Ltd. offers its customers. Established in 2009, the company has modern full-service manufacturing facilities for aluminum plate, strip, and foil manufacturing. Pure aluminum foil is produced in the following alloys: 1050, 1235, and 8079, and it may be anywhere from 6 to 200 microns thick. They export more than 90% of their products since the company has been on the export markets for over ten years. The company aims to be the best aluminum foil supplier, providing value with its high-quality products and great service.

To summarize, high purity aluminum foil provides the purity, uniformity and surface finish required for demanding applications. Made from 1050, 1235 or 8079 alloy with thickness from 6 to 200 microns, it is used for food containers, flexible packaging, pharmaceutical blister packs and industrial applications. Good formability, reliable barrier properties and clean surfaces for coating or printing are ensured by high purity. By choosing a reputable manufacturer such as Henan Tendeli, companies can ensure uniform quality and technical assistance. The professional choice for applications where purity cannot be compromised is pure aluminum foil.
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