High Gloss Cast Polypropylene Film (Cast PP Film)
40 μm natural color cast polypropylene film for food, medical, and industrial packaging applications.
Product Applications
- Stationery & Gift Packaging: Natural translucent appearance for attractive packaging of writing materials, gift wrapping, and folders
- Food Packaging: Excellent moisture barrier properties for fresh produce, sandwich wraps, biscuits, and confectionery with high product visibility
- Industrial Packaging: Wrapping, bundling, and protection for various industrial products during storage and transportation
- Labeling: Natural color ideal for overprinting and clear sticker applications with eye-catching product information
- Lamination: Bonding layer in laminated structures with paper, aluminum foil, or other films to enhance strength and barrier properties
Key Features
- Excellent transparency and high gloss for superior product visibility
- Good moisture barrier properties
- High durability, flexibility, and excellent sealing properties
- Resistant to punctures, tearing, and abrasion
- Good stiffness and dimensional stability
- Excellent printability with great clarity of graphics
Manufacturing Process
- Polymerization: Propylene monomers polymerized under pressure and high temperature
- Extrusion: Polypropylene resin pellets melted and extruded through a flat die
- Orientation: Sheet stretched across machine and transverse directions
- Cooling: Film cooled using cooling roll and stored on take-up roll
- Finishing: Surface treatments applied to improve printing quality and adhesion
Advantages Over BOPP Film
- Improved sealing properties with higher seal strength
- Enhanced clarity and gloss for better product visibility
- Better hot tack properties for high-speed packaging machines
- Increased heat resistance for hot-fill and retort packaging
- Higher puncture resistance for improved durability
Technical Specifications
| Test Item |
Unit |
Range |
Test Standard |
| Thickness |
Avg. |
40 μm |
GB/T 6672 |
| Max. |
≤44 |
| Min. |
≥36 |
| Width |
Avg. |
1090 ±3 mm |
GB/T 6673 |
| Tensile Strength |
MD |
≥20 MPa |
GB/T 1040.3 |
| TD |
≤15 |
| Elongation @ Break |
MD |
≤300% |
GB/T 1040.3 |
| TD |
≤300% |
| Wetting Tension |
- |
≥38 mM/m |
GB/T 14216 |