I. Product Advantages
1. Environmental Friendliness
Solvent-free, does not release volatile organic compounds (VOCs) during use, complies with international environmental standards, recyclable after disposal, and some products are biodegradable, meeting modern environmental protection needs.
2. High Transparency and Gloss
It has extremely high light transmittance and gloss, significantly enhancing the visual effect of printed materials, increasing color saturation and detail clarity.
3. Superior Physical Properties
High tensile strength, tear resistance, and abrasion resistance make it outstanding in protecting printed materials and packaging.
The surface hardness is high, with scratch resistance and fold resistance, ensuring long-term use without damage.
4. Easy Processability
The coated hot melt adhesive layer melts quickly at low temperatures, with excellent adhesion performance, suitable for various laminating machines.
Adapts to various printing materials, including coated paper and white cardboard, and is not prone to warping or delamination after lamination.
5. Waterproof and Stain-resistant
The surface has excellent waterproof and moisture-proof capabilities, effectively protecting printed materials and packaging from moisture and stains.

II. Product Features
1. Lightweight
BOPP film has a density of only 0.91g/cm3, making it one of the lightest plastic films on the market, which not only facilitates transportation but also reduces the total weight of packaging materials.
2. High Compatibility
Suitable for various lamination processes, including thermal lamination and cold lamination, widely compatible with different types of printing equipment and packaging needs.
3. Surface Treatment
Can provide various surface effects, such as gloss, matte, tactile, scratch-resistant, anti-fog, metallized, and laser, to meet different market demands.
4. Chemical Resistance
Has high resistance to acidic and alkaline solutions and organic solvents, suitable for packaging chemical products and special application scenarios.
5. Food-grade Safety
Non-toxic and odorless, can be in direct contact with food, widely used in the food and beverage packaging field.
 

III. Technical Parameters
Substrate thickness 15μm - 30μm, common thickness is 20μm, customizable production.
Adhesive layer thickness 5μm - 15μm provides uniform and efficient hot melt bonding performance.
Tensile strength ≥120 MPa (longitudinal) provides high mechanical strength, suitable for mass processing.
Elongation at break 150%-200% (longitudinal) maintains flexibility under high-pressure conditions.
Gloss ≥95% (glossy film) gives printed materials a mirror-like gloss effect.
High-temperature resistance can withstand temperatures above 110℃, adapting to various processing techniques.
Moisture permeability <3g/m2/24 hours, excellent moisture-proof performance.

IV. Application Range
1. Lamination of Printed Materials
Book Covers: Enhances the gloss and tactile feel of the cover while increasing wear resistance and durability.
Promotional Brochures: Provides visual impact and extends the preservation time of brochures.
Posters and Business Cards: Increases a sense of luxury through lamination, preventing damage and stains during long-term use.
2. Packaging Field
Food Packaging: Due to its waterproof, moisture-proof, and non-toxic properties, it is widely used in bread bags, snack bags, instant food packaging, etc.
Pharmaceutical Packaging: Protects medicine labels and packaging boxes, ensuring information is clear and does not fade over time.
Luxury Packaging: Such as cosmetic boxes, gift boxes, etc., enhances brand image through special film materials (such as tactile film and metallized film).
3. Industrial Uses
Electronic Product Packaging: Protects electronic device packaging from moisture and static electricity.
Advertising Materials: Used for POP advertising, display racks, and signage, providing excellent visual effects and durability.
4. Special Functional Scenarios
Antibacterial Film: Popular in the medical and food industries, helps inhibit microbial growth.
Anti-fog Film: Used for frozen food and refrigerator packaging, prevents fogging on the surface affecting aesthetics.
Tactile Film: Provides a smooth touch for high-end printed materials and packaging, enhancing user experience.

V. Production Process
1. Substrate Production
BOPP film is made through a biaxial stretching process, with a smooth surface and high transparency.
2. Hot Melt Adhesive Coating
A layer of hot melt adhesive is evenly coated on the film surface, with thickness adjustable according to requirements.
3. Composite Forming
At high temperatures, the hot melt adhesive strongly bonds with the substrate surface, forming a uniform composite film.
4. Roll Material Processing
Cutting the composite film into standard size rolls using high-precision cutting equipment for subsequent processing.
 

6. Market Competitive Advantages
1. Cost Effectiveness
Compared to traditional wet coating films, pre-coated films reduce equipment investment and energy consumption, resulting in lower overall costs.
2. Adaptation to Global Markets
BOPP pre-coated films have been widely adopted globally, meeting environmental regulations and market demands with their eco-friendliness and high performance.
3. Product Innovation
Multi-functional pre-coated films (such as scratch-resistant, anti-fog, antibacterial, etc.) provide enterprises with differentiated competitive advantages.

7. Future Development Directions
1. Eco-friendly Products
Accelerate the development of biodegradable pre-coated films to align with global sustainable development trends.
2. High Value-added Products
Increase the market share of touch films, metallized films, and special function films to provide more attractive options for the high-end market.
3. Technological Innovation
Further enhance the comprehensive performance of pre-coated films through the research and development of new hot melt adhesives and multi-layer composite structures.
4. Emerging Market Expansion
Expand into emerging markets such as Asia-Pacific, Africa, and South America to meet their rapidly growing packaging needs.
BOPP pre-coated films have become an indispensable material in the printing and packaging industry due to their excellent performance, wide application fields, and green environmental characteristics. With technological advancements and the continuous expansion of market demand, BOPP pre-coated films will play an increasingly important role in future development.