China OPP Heat Seal Film Suppliers - High Transparency Polypropylene Packaging from Reliable Factory
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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 |
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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.
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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 various daily necessities. Its transparent appearance and strong barrier properties make it ideal for protecting products from moisture, air, and oil contamination.
Q
Can the width and thickness of the film be customized?
Yes. Both the width (mm) and thickness (micron) of the OPP/CPP heat seal film are fully customizable to meet your specific packaging requirements. Please contact us with your specifications.
Q
What is the recommended heat sealing temperature range?
The recommended shrink temperature range for this film is 100°C to 135°C, ensuring reliable and consistent heat sealing performance across a variety of packaging equipment.
Q
What is the difference between OPP and CPP film in terms of density?
OPP (Oriented Polypropylene) film has a density of 0.91 g/cm³, while CPP (Cast Polypropylene) film has a slightly higher density of 0.96 g/cm³. This difference affects their flexibility, clarity, and heat seal performance.
Q
Is the film available in roll form as well as pre-made bags?
Yes. The heat seal film is available both by rolls and as pre-formed bags, providing flexibility for different production lines and packaging needs.
Q
What are the key performance advantages of this heat seal film?
This film offers excellent waterproof, moisture resistance, air tightness, and oil prevention properties. It also features low shrinkage rates (TD: ≤2.5%, MD: ≤4.5%), high tear strength, and good elongation at break — ensuring durable and reliable packaging performance.