BOPP film

BOPP Film is produced by melting PP resin, extruding it into a thick amorphous sheet, and then stretching it 3-5 times in the machine direction (at 135-145℃) and 8-10 times in the transverse direction (at 155-165℃), followed by heat setting to fix the molecular structure. This precise manufacturing process differentiates BOPP Film from traditional cast PP film, endowing it with superior performance characteristics. Unlike PVC or PE films, BOPP Film is lightweight (density only 0.91 g/cm³), non-toxic, and 100% recyclable, complying with global environmental regulations such as EU PPWR. It can be further processed through corona treatment, coating, metallization, and other technologies to enhance its surface adhesion, barrier properties, and functionality, meeting the diverse needs of different industries.

Technical Parameter Table

Parameter Category	Specification Details	Test Standard	Typical Value	Customizable Range
Material Type	Homopolymer PP, Copolymer PP; Clear, Matte, Metallized, Heat-sealable	ASTM D4635, GB/T 10003	Homopolymer PP (Clear)	All types available, custom blends
Thickness	Ultra-thin to industrial thick film	ASTM D374, GB/T 6672	12μm - 50μm	3μm (ultra-thin capacitor film) - 100μm (industrial thick film)
Width	Standard and custom width for packaging & industrial use	ASTM D1204, GB/T 10003	1000mm - 2400mm	250mm - 3000mm
Tensile Strength	Mechanical strength (MD/TD direction)	ASTM D882, GB/T 1040.3	MD: ≥120 MPa; TD: ≥200 MPa	150 MPa - 250 MPa
Elongation at Break	Flexibility and stretchability (MD/TD direction)	ASTM D882, GB/T 1040.3	MD: ≤180%; TD: ≤65%	MD: 150% - 200%; TD: 50% - 70%
Temperature Resistance	Operating and melting temperature	ASTM D1598, GB/T 15256	Operating: -40℃ to 120℃; Melting: 160-170℃	Operating: -50℃ to 130℃ (short-term)
Optical Performance	Transmittance and haze (clear type)	ASTM D1003, GB/T 2410	Transmittance: ≥90%; Haze: ≤2.0%	Transmittance: ≥92%; Haze: ≤0.5% (high clarity)
Gloss (60°)	Surface glossiness (glossy type)	ASTM D2457, GB/T 8807	≥85%	80% - 95%
Barrier Performance	Water vapor and oxygen transmission rate	ASTM D1653, GB/T 1037	Water vapor: <1.0 g/m²·24h; Oxygen: <1500 cm³/m²·24h·atm	Water vapor: <0.5 g/m²·24h (metallized type)
Surface Tension (Corona Treated)	Surface adhesion for printing/coating	ASTM D2578, GB/T 14216	≥38 dynes/cm	38 - 42 dynes/cm
Heat Shrinkage (120℃, 10min)	Dimensional stability	ASTM D2732, GB/T 10003	MD: ≤4.5%; TD: ≤3.0%	MD: ≤3.0%; TD: ≤2.0% (high stability)
Heat Sealing Performance	Initial seal temperature (heat-sealable type)	QB/T 2358, ASTM F2029	Initial seal temperature: 115℃; Heat seal strength: ≥2.0 N/15mm	Initial seal temperature: 105 - 130℃
Environmental Certification	Safety and eco-friendly standards	FDA, RoHS, REACH, ISO 9001	Compliant with all standards	Custom certifications available
Packaging	Roll packaging for industrial use	Industry Standard	30 - 50 kg/roll, core: 76mm (3") or 152mm (6")	Custom packaging weight and core size

Core Advantages

Exceptional Optical Performance

BOPP Film boasts outstanding transparency and glossiness, with a light transmittance of over 90% and a haze as low as 0.5% for high-clarity variants. This "glass-like" clarity allows consumers to directly see the product inside the packaging, enhancing shelf appeal and building brand trust-critical for food, cosmetics, and retail products. Matte BOPP Film, on the other hand, offers a premium, anti-glare finish, suitable for high-end packaging and labels.

Superior Mechanical Strength

The biaxial stretching process gives BOPP Film excellent tensile strength (up to 250 MPa), tear resistance, and stiffness-5-8 times stronger than non-oriented PP film. It can withstand high-speed packaging operations without tearing or deformation, reducing material waste during production. Its dimensional stability is also excellent, maintaining shape even in humid or temperature-fluctuating environments, ensuring consistent packaging quality.

Cost-Effective and Lightweight

BOPP Film has a low density (0.91 g/cm³), making it lighter than PET and PVC films. This reduces packaging weight, lowering transportation costs for businesses. Additionally, its high strength allows for thinner gauges (as thin as 3μm) while maintaining performance, further reducing material usage and production costs. Compared to PET film, BOPP Film is more affordable, making it ideal for large-volume packaging applications.

Excellent Processability and Customization

BOPP Film is easy to process through corona treatment, metallization, coating, and printing. Corona treatment increases its surface tension (up to 42 dynes/cm), enabling excellent ink adhesion for high-quality, vivid printing-supporting gravure, flexography, and digital printing methods. It can be customized into various types (clear, matte, metallized, heat-sealable) and thicknesses, and can be laminated with CPP, PE, or aluminum foil to enhance barrier properties, meeting diverse industry needs.

Applications

Food Packaging: Snack wrappers, candy packaging, bakery overwraps, rice and pasta packaging, beverage labels

Adhesive Tapes: Packaging tape, industrial tape, decorative tape (backing material)

Label Printing: Pressure-sensitive labels, wrap-around labels, shrink sleeves, high-end product labels

Electronics: Capacitor medium (new energy vehicles, photovoltaic), electronic component packaging, protective films

Industrial Packaging: Heavy-duty goods packaging, carton overwraps, lamination films

Other: Medical device overwraps, hygiene product packaging (diapers, sanitary products), agricultural films

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