Single Sided Anti Fog Heat Sealable BOPP Film achieves long-lasting anti-fog performance through a specially designed functional surface structure. During temperature changes, refrigeration, or high-humidity storage conditions, water vapor tends to condense into small droplets on conventional films, creating a cloudy appearance that affects product visibility. The anti-fog layer of HUA HENG film allows condensed moisture to spread evenly into a transparent water film instead of forming scattered droplets, reducing light scattering and maintaining a clear package appearance. At the same time, the heat-sealable layer ensures reliable sealing performance, helping manufacturers achieve secure packaging while preserving product presentation.
The anti-fog performance is achieved through an advanced co-extrusion process that integrates functional materials into the film structure rather than relying only on surface coating.
● Stable Anti-Fog Performance
Anti-fog additives gradually migrate to the designated film surface, forming a hydrophilic layer that improves moisture spreading ability.
● Long-Lasting Functional Effect
Compared with temporary surface treatments, the internal functional structure provides more consistent anti-fog performance during storage and transportation.
● Controlled Functional Surface Design
The anti-fog function is concentrated on the required side, while maintaining excellent transparency, mechanical strength, and processing properties.
The heat-sealable layer is developed for automatic packaging applications requiring stable sealing performance.
● Lower initial sealing temperature
● Wide heat-sealing temperature window
● Strong sealing strength
● Reliable sealing even during high-speed packaging processes
● Seal leakage
● Package failure
● Production interruptions
Using advanced biaxially oriented polypropylene technology, the film achieves:
● High tensile strength
● Excellent dimensional stability
● Good puncture resistance
● Smooth processing performance
The balanced mechanical properties help maintain packaging integrity throughout filling, transportation, storage, and retail display.
|
Parameter |
Specification |
|
Product |
Single Sided Anti Fog Heat Sealable BOPP Film |
|
Material |
Food Grade Biaxially Oriented Polypropylene (BOPP) |
|
Structure |
Single-Sided Anti-Fog / Double-Sided Heat Sealable (Customizable) |
|
Thickness Range |
25μm – 40μm |
|
Anti-Fog Performance |
Long-lasting anti-fog, Grade 1 cold & hot anti-fog performance |
|
Haze |
≤2.5% |
|
Heat Seal Strength |
≥2.5 N/15mm (135℃, 0.3s) |
|
Tensile Strength (MD) |
≥120 MPa |
|
Tensile Strength (TD) |
≥200 MPa |
|
Surface Tension |
≥38 mN/m (Corona Treated Side) |
|
Processing Compatibility |
Suitable for automatic packaging lines |
|
Custom Options |
Thickness, sealing temperature, anti-fog performance, film structure |
Stable Manufacturing Capability Backed by Advanced BOPP Production Lines
HUA HENG operates two German Bruckner BOPP film production lines with advanced biaxial orientation technology and intelligent production management systems. With an annual production capacity of 60,000 tons, the factory is equipped for large-scale and stable supply of BOPP packaging films.
During production, key parameters such as film thickness, optical performance, and mechanical properties are continuously monitored through online inspection systems, helping maintain consistent quality across different production batches.
Quality stability starts from material selection and continues throughout the entire manufacturing process.
HUA HENG carries out strict control over:
● Raw material performance verification
● Film forming and stretching processes
● Surface treatment performance
● Physical and functional property testing
● Final roll inspection before shipment
Through systematic quality management, each roll of film is tested to meet the required specifications for transparency, sealing performance, anti-fog function, and processing stability.
For food packaging applications, material safety and compliance are critical purchasing factors.
HUA HENG uses food-grade polypropylene raw materials and manages production according to certified quality and environmental management systems. Relevant technical documents and testing reports, including SGS reports, can be provided to support customer approval and market compliance requirements.
Different food products, storage conditions, and packaging equipment require different film characteristics.
HUA HENG works with customers to optimize film solutions based on:
● Product moisture characteristics
● Cold storage or retail conditions
● Packaging machine requirements
● Sealing and processing performance
From material selection to specification adjustment, HUA HENG helps customers achieve more stable packaging performance and efficient production.
Single-sided anti-fog film provides functional anti-fog performance on one designated surface, making it suitable for applications where the packaging structure has a fixed functional side. Double-sided anti-fog film provides anti-fog performance on both surfaces for applications requiring greater packaging flexibility.
The anti-fog layer improves the spreading ability of condensed water molecules. Instead of forming visible droplets that scatter light, moisture spreads into a transparent water layer, helping maintain clear product visibility.
Yes. The film is designed with stable heat-sealing performance and good processing properties, making it suitable for automatic packaging equipment such as VFFS and HFFS packaging systems.
It is widely used for fresh vegetables, fruits, mushrooms, fresh-cut food, salads, bakery products, chilled food, and other applications where packaging transparency and freshness presentation are important.
Yes. HUA HENG can customize thickness, heat-sealing performance, anti-fog level, and film structure according to different products, packaging machines, and storage conditions.
The standard MOQ is 1,000 kg. Normal production delivery is approximately 15–20 days after order confirmation, while some standard specifications may be available with shorter delivery times depending on inventory conditions.
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No. 500, Qingsan Street, Light Textile Economic Zone, Binhai New Area, Tianjin, China
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