China OPP Heat Seal Film Suppliers - Lightweight Polypropylene Packaging from Trusted Factory
Product Parameters
| ITEM | UNIT | TYPICAL VALUES |
| Width | mm | Custom |
| Thickness | micron | Custom |
| Shrinkage | ％ | TD: ≤2.5 | MD: ≤4.5 |
| Shrink Temperature | ℃ | 100 – 135 |
| Proportion | g/cm³ | OPP: 0.91 | CPP: 0.96 |
| Tear Strength | ％ | TD: ≤80 | MD: ≤200 |
| Transverse Elongation at Break | MPa | TD: ≤200 | MD: ≤120 |
Product Applications
OPP packaging is commonly used in food, stationery, toys and other daily necessities. Its appearance is transparent and has excellent waterproof, moisture resistance, air tightness and oil prevention characteristics. It plays an important role in ensuring product quality, preventing product pollution and improving product appearance.
Frequently Asked Questions
Q
What is OPP heat seal film used for?
OPP heat seal film is widely used for packaging food products, stationery, toys, and other daily necessities. Its transparent appearance and excellent barrier properties make it ideal for protecting products from moisture, air, and contamination while enhancing overall presentation.
Q
Can the width and thickness of the OPP film be customized?
Yes. Both the width (in mm) and thickness (in microns) of the OPP heat seal film are fully customizable to meet your specific packaging requirements. Please contact us with your specifications for a tailored solution.
Q
What is the recommended shrink temperature range for this film?
The recommended shrink temperature range for this OPP heat seal film is between 100°C and 135°C. Operating within this range ensures optimal shrinkage performance without compromising the film's structural integrity.
Q
What is the difference between OPP and CPP in terms of proportion?
OPP (Oriented Polypropylene) has a density of 0.91 g/cm³, while CPP (Cast Polypropylene) has a slightly higher density of 0.96 g/cm³. OPP is generally stiffer and more transparent, whereas CPP offers better heat sealability and flexibility.
Q
Does OPP packaging provide good moisture and waterproof protection?
Yes. OPP packaging film offers excellent waterproof, moisture resistance, air tightness, and oil prevention properties. These characteristics make it highly effective at preserving product freshness and preventing contamination throughout storage and transportation.
Q
Is this film available in roll form as well as pre-made bags?
Yes. The heat seal film is available both in roll form and as pre-made bags, providing flexible options to suit a variety of packaging lines and production requirements. Custom sizes and formats can be arranged upon request.