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Metalized PET Film is a high-performance polyester film coated with a thin layer of metal, typically aluminum, through a vacuum metallization process. This structure combines the durability and flexibility of PET with the enhanced barrier properties of metal, providing excellent resistance to moisture, oxygen, and light. It also features a bright, reflective surface that enhances visual appeal, making it suitable for premium packaging and decorative applications.
The film maintains strong mechanical strength, good dimensional stability, and reliable performance under various processing conditions. It is lightweight yet durable, offering an efficient alternative to traditional foil materials. Due to its versatility, Metalized PET Film is widely used in food and beverage packaging, flexible laminates, labels, gift wraps, insulation materials, and electronic shielding. It is especially valued in industries that require both functional protection and attractive presentation.
Stable Optical Density & Reflectivity Control
Produced with high-precision vacuum metallizing lines (up to 2750mm width), the aluminum layer is evenly deposited to ensure consistent Optical Density (OD 0.1–5.0). Tight OD tolerance control helps maintain stable reflectivity (up to 97% radiant heat reflection for insulation grades), minimizing batch-to-batch variation and ensuring reliable performance during lamination and continuous production.
Excellent Barrier Performance
The dense aluminum layer significantly enhances moisture and oxygen barrier properties. Typical Water Vapor Transmission Rate (WVTR) and Oxygen Transmission Rate (OTR) values are substantially reduced compared with plain PET, making the film suitable for insulation systems, flexible packaging, and industrial laminates where protection and durability are essential.
Wide Thickness & Width Flexibility
Available in thicknesses from 6μm to 125μm and widths from 40mm to 2750mm, the film supports diverse applications—from lightweight reflective insulation to structural lamination. Custom OD, thickness, and surface treatments are available to meet specific converting and performance requirements.
Strong Dimensional Stability & Process Compatibility
PET base film provides excellent tensile strength and thermal stability, enabling smooth performance in extrusion coating, lamination, printing, and slitting processes. The film maintains flatness and uniform winding, reducing defects such as wrinkling or uneven coating during downstream processing.
Reflective Insulation Systems
Metallized PET film is widely used as a radiant barrier layer in building and industrial insulation systems. With reflectivity up to 95–97% (depending on optical density and structure), it effectively reduces radiant heat transfer and improves energy efficiency.
It is commonly laminated with PE coating, woven fabric, bubble film, or foam to produce roof insulation, wall insulation, HVAC duct insulation, and other multi-layer reflective insulation materials.
Flexible Packaging Materials
In flexible packaging, metallized PET film serves as a high-performance barrier layer. The aluminum coating significantly improves moisture, oxygen, and light barrier properties compared with plain PET film.
It is suitable for food, confectionery, pharmaceutical, and daily-use packaging, offering strong protection while maintaining good printability and lamination compatibility for dry lamination or extrusion coating processes.
Electronic & Industrial Protective Packaging
Metallized PET film provides enhanced moisture resistance and protective performance for electronic components, precision instruments, and industrial products.
Its metal layer helps reduce oxidation risks and supports composite structures designed for anti-moisture and protective applications. It is often used as an inner lining or laminated layer in industrial barrier packaging solutions.
Labels & Decorative Applications
Thanks to its high gloss and metallic appearance, metallized PET film is widely used in labels, decorative laminates, and premium packaging.
It can be further processed with embossing, coating, holographic treatment, or printing to create enhanced visual effects, making it suitable for cosmetic packaging, gift boxes, and branding materials.
Industrial Lamination & Composite Structures
Available in thicknesses from 6μm to 125μm, optical density from 0.1 to 5.0, and widths up to 2750mm, metallized PET film is highly adaptable for various lamination and composite structures.
It is compatible with PE extrusion coating, foam lamination, bubble structures, paperboard lamination, and other converting processes, supporting diverse industrial and packaging applications.
For more details, samples, or bulk order inquiries, feel free to contact our team. We are ready to provide tailored solutions, competitive pricing, and reliable support to meet your business needs.
Thickness | Light Transmission | Width | Roll Diameter | Papar Core ID |
12mic | - | ≤2750mm | ≤780mm | 76mm, 152mm |
Item | Unit | Standard Value | Test Method | |
Thickness | Mic | 12 | ASTM D-374 | |
Tolerance | % | ±3 | ||
Tensile Strength | MD | Mpa | ≥200 | ASTM D-882 |
TD | ≥200 | |||
Elongation at break | MD | % | ≥100 | ASTM D-882 |
TD | ≥100 | |||
Heat shrinkage (150℃, 30min) | MD | % | ≤2.0 | ASTM D-1204 |
TD | ≤0.5 | |||
Surface Tension | mN/m | ≥48 | ASTM D-2578 | |
Frication Coefficient | -- | ≤0.65 | ASTM D-1894 | |
Haze | % | ≤3.0 | ASTM D-1003 | |
Thickness of Aluminum Layer | Å | 350 | ASTM D-1746 | |
OD | 1.8 | |||
Uniformity of Aluminum layer | % | ±10 | ASTM D-1746 | |
Firm of Aluminum Layer | % | PASS | 3M 610 Tape | |
Permeability WVTR | g /(m2·24h) | ≤3.00 | / | |
Permeability O2 TR | cm3/(m2·24h·0.1MPa) | ≤3.00 | / | |
Zhejiang Pengyuan New Material Co., Ltd. Exhibits Innovative Solutions at CHINAPLAS 2026 in Shanghai Shanghai, China — Zhejiang Pengyuan New Material Co., Ltd. is proudly participating in the 38th edition of CHINAPLAS, the International Rubber & Plastics Exhibition, being held from April 21 to 24, 2
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