BOPP Heat Seal

Chemical Additives 2025-03-02

Product name: BOPP Heat seal It is one side heat sealable and another side treated Bi-axially Oriented Polypropylene film. This film is according EC and FDA regulations to be used in contact with food and foodstuffs.

Product Overview

BOPP (Biaxially Oriented Polypropylene) Heat Seal Film is a high-performance packaging material widely used in food, pharmaceutical, and consumer goods industries. It offers excellent clarity, moisture resistance, and heat-sealing properties, making it ideal for flexible packaging applications.

Basic Physical & Mechanical Properties

Property Specification Test Method
Thickness Range 15–60 μm ASTM D5947
Tensile Strength (MD/TD) ≥120/200 MPa ASTM D882
Heat Seal Temperature 110–150°C ASTM F2029
Oxygen Transmission Rate (OTR) ≤1.500 cm³/m²·day·atm ASTM D3985
Water Vapor Transmission Rate (WVTR) ≤1.5 g/m²·day ASTM F1249

Key Features & Benefits

Feature Benefit
High Clarity Enhances product visibility
Excellent Seal Strength Ensures secure packaging
Moisture Barrier Extends shelf life of contents
Chemical Resistance Compatible with most food and pharmaceutical products
Printability Suitable for flexo/gravure printing

Typical Applications

Industry Application
Food Packaging Snacks, confectionery, dried foods
Pharmaceuticals Blister packs, strip packaging
Consumer Goods Labels, overwraps, pouches
Industrial Adhesive tapes, protective films

Heat Seal Performance Comparison

Parameter BOPP Heat Seal Film Competitive Films (e.g., PE, PET)
Seal Initiation Temp. 110–130°C 140–160°C (PET), 90–110°C (PE)
Seal Strength 3–8 N/15mm 2–5 N/15mm (PE), 4–10 N/15mm (PET)
Hot Tack Strength 1.5–4 N 0.5–2 N (PE), 2–5 N (PET)

Processing & Storage Guidelines

Parameter Recommendation
Storage Temperature <30°C, <60% RH
Shelf Life 12 months (unopened)
Processing Speed 100–400 m/min (flexo printing)
Corona Treatment Required for optimal adhesion (≥38 dynes/cm)
Recycling Compatibility Recyclable (PP stream)

Conclusion

BOPP Heat Seal Film is a versatile, high-performance packaging material offering superior sealability, barrier properties, and printability. Its balanced mechanical and thermal properties make it a preferred choice for flexible packaging solutions.

,Disclaimer: The above content is for reference and communication only among industry insiders, and does not guarantee its accuracy or completeness. According to relevant laws and regulations and the regulations of this website, units or individuals who purchase related items should obtain valid qualifications and qualification conditions.