5052 Aluminum Strip for Ring Pull Can Lid
5052 aluminum alloy strip is a magnesium-based aluminum alloy (Al-Mg series) widely used in the manufacturing of ring pull can lids due to its excellent corrosion resistance, moderate strength, and good formability.
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Overview
5052 Aluminum Strip for Ring Pull Can Lid is a specialized aluminum product tailored for manufacturing ring pull can lids. Made from 5052 aluminum alloy (a typical Al-Mg alloy), it undergoes precision rolling and slitting to meet the strict size and performance requirements of can lid production. Unlike other aluminum alloys, 5052 alloy balances excellent corrosion resistance (critical for contact with beverages/food), good formability (for stamping into lid shapes with ring pull holes), and moderate strength. It is the core material for food and beverage can lids, ensuring the safety, durability, and usability of ring pull cans in daily consumption.
Specification
Alloy: 5052
Temper: H19
Thickness: 0.2mm–0.36mm
Width: 600mm–2400mm (customizable per requirements)
Feature
1.Superior Corrosion Resistance: The magnesium element in 5052 alloy forms a dense oxide film, preventing chemical reactions with acidic/alkaline beverages (e.g., cola, fruit juice) and avoiding material corrosion or harmful substance migration.
2.Balanced Strength & Formability: Moderate tensile strength withstands the pressure of can sealing and the pulling force of ring opening, while good ductility allows precise stamping of lid edges, ring pull holes, and sealing grooves without cracking.
3.Food-Safe & Non-Toxic: Complies with global food contact standards; the alloy composition and surface treatment contain no harmful substances, making it safe for long-term contact with food and beverages.
4.Good Weldability & Sealability: When paired with can bodies, it forms a tight seal after rolling, preventing beverage leakage and ensuring product shelf life.
5.Lightweight & Recyclable: Density of 2.68 g/cm³ (≈1/3 of steel), reducing material costs and transportation emissions.
Application
Applied to lids of carbonated drinks(e.g., cola, sprite), non-carbonated drinks (e.g., orange juice, green tea), and canned foods (e.g., canned fruits, luncheon meat), etc.
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