7 Micron Aluminium Foil for Flexible Packaging

7 micron aluminium foil—a type of “صفر مزدوج” ultra-thin foil—is a preferred choice in the flexible packaging industry for balancing barrier performance with material costs. It is widely used in composite packaging for food, personal care products, والتبغ, particularly for items requiring medium-to-long shelf lives. Haomei Aluminum operates a sophisticated production line dedicated to double-zero foil. Haomei 7 micron aluminum foil excels in pinhole control, التوحيد سمك, and batch-to-batch consistency, meeting advanced industry standards and ensuring a stable supply for flexible packaging manufacturers worldwide.

Key Specifications

Aluminium foil for flexible packaging product range covers multiple alloy systems, allowing for flexible selection based on the required barrier level and processing techniques for the packaged contents:

– سبيكة سجية: نقوم بتخزين سبائك 8021-O و1235-O; 8079-O is available for high-end barrier requirements. يتم توفير جميع المنتجات في ملدنة بالكامل (ناعم) لين، لطف، هدأ.

-دقة السماكة: Nominal thickness is 7μm, with a tolerance controlled within ±3%. Thickness deviation between the beginning and end of a full coil is ≤2%.

– العرض ووزن الملف: تتراوح العروض من 100 ملم إلى 1650 ملم, متوافق مع مختلف آلات الترقق والحز عالية السرعة. الحد الأقصى لوزن الملف هو 2.5 طن متري, with standard core diameters of 76mm/152mm, مما يساعد على تقليل وقت التوقف عن العمل أثناء تغيير الملف.

– مواصفات الثقب: Standard grade has a pinhole count of ≤50/m²; high-precision grade is ≤15/m²; and premium custom grades can be controlled to ≤12/m². There are no through-pinholes with a diameter greater than 0.1mm—significantly exceeding the requirements of the national standard for general-grade material.

– الامتثال والشهادة: Food-grade aluminium foil meet FDA 21 CFR والاتحاد الأوروبي 1935/2004 المعايير. مستويات هجرة المعادن الثقيلة أقل بكثير من الحدود المحددة للمواد الملامسة للأغذية.

مزايا الأداء الرئيسية للتغليف المرن

1. Superior Barrier Properties for Long-Cycle Distribution

With a water vapor transmission rate (WVTR) of ≤0.25 g/(M² · 24H) ومعدل انتقال الأكسجين (OTR) of ≤0.4 cm³/(M² · 24H · 0.1MPa), هذا 7 micron aluminium foil offers approximately 20% greater barrier stability than 6 رقائق الألومنيوم ميكرون. It maintains consistent protection against light, أكسجين, and moisture—even in demanding environments such as cross-ocean shipping or storage in hot, humid regions—ensuring a shelf life of 12-18 الشهور. For instance, a client exporting pet food to South America—a journey involving a 45-day ocean transit—previously experienced occasional complaints regarding moisture-related spoilage when using thinner aluminum foil. After switching to our high-precision 7-micron aluminium foil product, the number of packaging-related quality complaints dropped to zero.

2. High Processing Tolerance, Compatible with Various Production Lines

في 7 ميكرون, aluminium foil falls within the mature, stable range for mass-produced “صفر مزدوج” (رقيقة جدا) ورق ألومنيوم. It is relatively forgiving regarding the tension-control precision of lamination equipment, making it highly compatible with both high-speed imported production lines and standard domestic machinery. It is less prone to issues such as web breaks, tracking errors, or wrinkling. The surface is treated with a low-residual-oil process (≤3 mg/m²), which eliminates the risk of pinholes or delamination after adhesive lamination. With a lamination peel strength of ≥2.0 N/15mm, the time required for new clients to calibrate their equipment can be reduced by approximately 30%.

3. Excellent Cost-Performance Ratio, Balancing Quality and Economy

مع وزن أساسي تقريبًا 18.9 جم/م², 7 micron aluminum foil reduces material consumption by 22% compared to standard 9-micron aluminium foil, effectively lowering raw material procurement costs while still meeting most packaging requirements. علاوة على ذلك, the option for large-diameter roll supply reduces the frequency of roll changes and minimizes waste from splicing. This offers a clear advantage in total cost of ownership, making it an ideal choice for the large-scale production of fast-moving consumer goods (سلع استهلاكية) التعبئة والتغليف.

Mainstream Application Scenarios

7 micron flexible packaging aluminum foil is widely used for the packaging of snack foods (including those for export), pet food and treats, full-sized personal care and household products, as well as pharmaceutical granules and intermediates. It is also frequently utilized for twist-wrapping candies, as a component in multi-layer laminates for wet wipes, and as lidding foil for cups. For clients requiring cross-border transport, high packaging stability, and effective control over total costs, the 7-micron aluminium foil offers the best overall value.

Haomei 7-micron aluminum foil production line has an annual capacity of 12,000 طن متري, with a consistent mass-production yield exceeding 98.5%. We maintain regular stock of standard specifications, ensuring delivery within 15 أيام. يتم تعبئة المنتجات المعدة للتصدير باستخدام فراغ من خمس طبقات, moisture-proof system to completely prevent oxidation and moisture damage during transit. علاوة على ذلك, we provide comprehensive technical support, including guidance on coating compatibility and the optimization of process parameters. يرجى الاتصال بفريق المبيعات والفني لدينا لطلب المواصفات الفنية التفصيلية أو العينات المجانية.