Aluminum Alloy 8011/8079
Dingang
7606125000
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In the rapidly evolving flexible packaging market, the barrier layer is the definitive factor in product success. Our Custom Printed Aluminum Foil is a high-performance technical solution designed to shield sensitive products from light, oxygen, and moisture. By utilizing premium 8011 and 8079 aluminum alloys, we provide a substrate that supports high-speed conversion, exquisite branding, and absolute freshness preservation for food, pharmaceutical, and industrial sectors.
Technical Specifications
Property | Details & Typical Values |
Primary Alloy | Aluminum 8011 / 8079 |
Temper | Soft O |
Foil Thickness | 0.006mm - 0.009mm (6.35mic, 7mic, 9mic) |
Typical Structure | BOPP/AL/PE, PET/AL/PE, or Matte BOPP/AL/PE |
Printing Capability | Up to 10 colors (Rotogravure / Flexographic) |
Surface Wetting | Grade A (Excellent ink and adhesive bonding) |
Water Vapor Transmission (WVTR) | < 0.1 g/m²·24h |
Oxygen Transmission (OTR) | < 0.1 cm³/m²·24h |
Compliance | FDA, EU Food Grade, SGS, SFDA Standards |
The foundation of any high-barrier flexible packaging is the choice of aluminum alloy. We offer specialized grades tailored to your specific mechanical requirements.
8011-O: Known for its high tensile strength and puncture resistance. It is the preferred choice for standard snack food and pharmaceutical lidding where structural rigidity is required.
8079-O: Offers superior elongation and flexibility. This alloy is the industry standard for ultra-thin gauges (down to 6mic) and complex "dead-fold" applications.
Our custom foil is the functional heart of a multi-layer composite system, engineered to solve specific product stability challenges.
Food Grade (Chips/Snacks): BOPP / AL / LLDPE – High clarity and excellent moisture barrier.
Premium Aesthetics: Matte BOPP / AL / PE – Delivers a non-reflective, high-end texture.
High-Puncture Resistance: PET / AL / PE – Ideal for nuts or products with sharp edges.
Visual identity is critical for shelf conversion. Our printing process is optimized for metallic surfaces:
Adhesion Excellence: Grade A wetting (38+ dyne) ensures the ink bonds permanently to the foil.
Color Accuracy: We maintain a Delta-E < 1.5, ensuring brand consistency across all global batches.
For exporters, meeting the regulatory requirements of different regions is our top priority.
FDA & EU Food Grade: Guaranteed safe for direct food contact.
SFDA & Saudi Vision 2030: Fully compliant with Saudi Arabian import regulations.
BPA-NI: All coatings and lacquers are BPA Non-Intent, ensuring safety for all consumer groups.
Q1: Why choose 8079 alloy for thin-gauge flexible packaging?
A: Alloy 8079 has a more refined grain structure than 1000 series or 8011 alloys. This allows it to be rolled to 6 or 7 microns with significantly fewer pinholes, ensuring a superior oxygen barrier.
Q2: Can your foil work on high-speed Vertical Form-Fill-Seal (VFFS) machines?
A: Yes. We calibrate the Coefficient of Friction (COF) of the sealant layer (0.2–0.3) to ensure smooth tracking without jamming at speeds of 100+ bags per minute.
Q3: How do you prevent delamination in humid or hot climates?
A: We use high-performance, solvent-free dry lamination adhesives tested to withstand extreme temperature fluctuations during international transit.
Q4: Is aluminum foil better than metallized (VMPET) films?
A: Yes. Pure aluminum foil provides a total barrier. While VMPET is cheaper, it is prone to microscopic cracks. For products with a shelf life > 6 months, pure foil is essential.
Q5: What are your standards for pinhole detection?
A: We use an online infrared detection system. For 6.35μm–9μm foils, we guarantee a pinhole count < 10/m², maintaining the integrity of the OTR barrier.
Q6: Does your product meet the SFDA requirements for Saudi Arabia?
A: Yes, we provide full certification and migration test reports required by the Saudi Food and Drug Authority (SFDA).
Q7: How do you ensure color consistency for repeat orders?
A: We use X-Rite color management and keep master samples for every client, ensuring your brand colors remain identical regardless of the production date.
Q8: What is the typical lead time for custom printed orders?
A: New designs take 20-25 days (including cylinder engraving). Repeat orders with existing cylinders are typically shipped within 15 days.
Choosing the right Custom Printed Aluminum Foil is a strategic decision that impacts your product's shelf life and brand reputation.
Elevate Your Product to International Standards
Our technical team is ready to provide you with a customized Material Data Sheet (MDS) and physical samples. Whether you are solving "leaky seal" issues or upgrading to SFDA-certified materials, we have the expertise to deliver.
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