Description:
Thickness Tolerance |
According to GB(higher than GB) |
Density |
1.37g/cm3 |
Tensile-Strength(lengthwise,crosswise),MPa |
≥52.0 |
Impact strength(cut)(four-way)KJ/M2 |
≥5.0 |
Drop impact strenght |
No fracture |
Vicat softening piont,°C
Decoration plate
Industrial plate |
≥75.0
≥80.0
|
Lengthwise
Crosswise |
-5.0--+5.0
-3.0--+3.0 |
Width
Length |
Deviation 0-3mm
Deviation 0-8mm |
Feature |
1. Excellent mechanical properties: high strength and good rigidity.
2. Outstanding barrier properties.
3. Good thermal stability.
4. Excellent optical properties: transmittance can reach over 85%, haze is lower than 3%, high gloss, and the surface is smooth and shiny.
5. Good electrical insulation and anti-static properties.
6. Chemical stability.
7. Strong surface processability.
|
Product Overview
Biaxially Oriented Polyethylene Terephthalate (BOPET) represents a benchmark in high-performance polymer engineering. Through a specialized biaxial stretching process, we enhance the molecular orientation of PET resin, resulting in a film that delivers an unparalleled combination of mechanical strength, dimensional stability, thermal resistance, and optical clarity. Its lightweight yet robust structure makes it the material of choice for engineers and product developers across diverse industries, from flexible food packaging to high-tech photovoltaics.
Key Material Advantages
High Tensile Strength & Stiffness: Exceptional load-bearing capacity with minimal elongation, ensuring product integrity during high-speed processing and end-use application.
Broad Thermal Endurance: Stable performance across an extreme temperature window of -70°C to 150°C, suitable for retort sterilization and deep-freeze storage.
Outstanding Barrier Performance: Excellent resistance to moisture, oxygen, and volatile aromas—effectively extending the shelf life of perishable and sensitive goods.
Optical Excellence: High transparency and low haze enhance product presentation and light transmission for optical applications.
Excellent Processability: Compatible with coating, metallization, lamination, and printing processes, offering versatile customization options.
Chemical Resistance: Inert to most acids, alkalis, oils, and organic solvents, ensuring reliability in harsh chemical environments.
Application Fields
1. Flexible & High-Performance Packaging BOPET film serves as the backbone of modern flexible packaging. Its high tensile modulus allows for down-gauging without sacrificing durability, reducing material costs and environmental footprint.
Retort & Sterilizable Pouches: Ideal as the outer layer of steam-sterilized food packaging, maintaining seal integrity at temperatures up to 150°C.
Laminated Structures: When combined with PE or CPP, it creates multi-layer barriers for vacuum-packed meats, snacks, and pharmaceutical blister foils.
Aroma Preservation: Its low gas transmission rate locks in essential flavors and prevents odor ingress, crucial for coffee, spices, and premium confectionery.
2. Electrical & Electronic Insulation Leveraging a high dielectric strength and volume resistivity, BOPET is the industry-standard insulation material for miniaturized electronic components.
Wire & Cable Wrapping: Provides reliable insulating layers for automotive wiring and appliance cables.
Flexible Circuits & Membrane Switches: Used as a base film for touch switches and keyboard insulation, offering high puncture resistance.
Capacitor Dielectrics: Suitable for DC capacitors, metallized film capacitors, and power electronics requiring stable capacitance over a wide temperature range.
Magnetic Media: Serves as the base substrate for audio, video, and data storage tapes, ensuring smooth surface profiles and high dimensional stability.
3. Optical Displays & Photovoltaic Modules With our premium-grade optical substrate, BOPET enables advanced light management and protection in next-generation display and renewable energy technologies.
Backlight Display Units: Acts as a base film for reflection, brightness enhancement (prism), and diffusion films in LCD and LED panels, improving screen brightness and uniformity.
Solar Cell Backsheets: Offers excellent weather resistance, UV protection, and hydrolysis resistance, extending the service life of photovoltaic modules.
Automotive & Architectural Window Films: Provides heat rejection, glare reduction, and shatter resistance when metallized or dyed.
Transparent Conductive Films: Functions as a flexible substrate for ITO or silver-nanowire coatings, enabling touchscreen functionality.
4. Printing, Decorative & Anti-Counterfeiting Following corona treatment, the film’s surface tension is elevated to 52+ dynes/cm, ensuring superior ink adhesion and coating uniformity.
ID & Credit Cards: Used as a protective overlay film with integrated holographic security features to prevent forgery.
Laser Holographic Labels: Provides a smooth, glossy surface for embossing 3D holograms used on luxury goods and secure documentation.
Decorative Laminates & Gold/Silver Threads: Utilized in textile weaving and high-end gift wrapping, offering a metallic sheen and lasting gloss.
Protective Overlaminates: Shields printed graphics, certificates, and maps from scratches, moisture, and UV fading.
5. Industrial Safety & High-Tech Applications Our industrial-grade BOPET films provide the durability required for demanding operational environments.
Traffic & Safety Reflective Sheeting: Forms the foundation for microprismatic and glass-bead reflective films, ensuring high visibility on road signs and safety vests.
High-Temperature Resistant Tapes: Used as a backing for electrical insulation tapes (like masking tape for PCB soldering) that withstand high-temperature paint-baking processes.
Heat-Shrink & Twist Films: Offers a semi-rigid shrink for labels and a "dead-fold" twist for confectionery and novelty packaging.
Thermal Transfer Ribbons: Acts as a substrate for wax/resin ribbons to ensure crisp, durable barcode printing in logistics and retail.
Customization & Technical Support
We understand that one size does not fit all. Our BOPET films are available in varying thicknesses (from 6µm to 350µm), surface treatments (corona, anti-static, easy-slip), and specialty coatings (adhesive, primer, release, and optical hard-coat). Our R&D team is ready to collaborate on custom formulations to meet your specific dimensional, optical, or durability requirements.
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