0102030405
Transparent PE Film Bags for Food Packaging - China Suppliers & Factory for Jelly, Spout, and Retort Bags
Spout pouches have become the mainstream packaging form for liquid and semi-fluid products due to their portability and easy access. Traditional films often face two key pain points: loose heat-sealing between spout and film prone to leakage, and insufficient film strength that breaks after repeated use. Our IPE film dedicated to spout pouches addresses these core challenges through structural design and raw material optimization, providing a reliable packaging solution for various fluid and semi-fluid products.
1. Spout-Specific Heat-Sealing Design: Eliminate Leakage Risks
Aiming at the heat-sealing difficulties between spout and film, a customized heat-sealing layer formula is adopted, combined with multi-layer co-extrusion technology to precisely control the thickness and component distribution of the heat-sealing layer. When the film is heat-sealed with the spout, a high-strength seal can be formed in the temperature range of 100–120℃, with the heat-sealing strength stably maintained at 18–22 N/15mm — far exceeding the standard of 12–15 N/15mm for conventional films.
Even when filled with liquid (such as 500ml juice) and inverted or shaken, there is no dripping at the joint between the spout and the film. Tests show that when the sealed spout pouch falls from a height of 1 meter, the seal integrity rate reaches 100%, completely solving the leakage problem of spout pouches.
Even when filled with liquid (such as 500ml juice) and inverted or shaken, there is no dripping at the joint between the spout and the film. Tests show that when the sealed spout pouch falls from a height of 1 meter, the seal integrity rate reaches 100%, completely solving the leakage problem of spout pouches.
2. Tough and Durable Structure: Suitable for Repeated Use
The film adopts a double-layer protective structure of "reinforced base layer + puncture-resistant surface layer", with tensile strength ≥25 MPa and puncture resistance ≥12 N, far higher than ordinary IPE films.
In daily use, even if the spout pouch is repeatedly squeezed (such as squeezing tomato sauce or salad dressing) or the spout is frequently inserted and extracted (such as drinking yogurt and juice multiple times), the film is not easy to crack or deform. For contents with certain corrosiveness such as cooking oil and laundry detergent, the film also has mild chemical resistance, which can avoid film swelling or strength attenuation caused by long-term contact and extend the service life of the packaging.
In daily use, even if the spout pouch is repeatedly squeezed (such as squeezing tomato sauce or salad dressing) or the spout is frequently inserted and extracted (such as drinking yogurt and juice multiple times), the film is not easy to crack or deform. For contents with certain corrosiveness such as cooking oil and laundry detergent, the film also has mild chemical resistance, which can avoid film swelling or strength attenuation caused by long-term contact and extend the service life of the packaging.
3. Compatibility with Automated Processing: Improve Production Efficiency
Produced by advanced five-layer co-extrusion blown film technology, the film's thickness deviation is strictly controlled within 2%–4%, far lower than the industry's conventional standard of 5%–8%, ensuring film flatness and structural stability.
To meet the needs of spout pouch automated production lines, the film surface is smooth without impurities and static electricity, which can smoothly pass through forming-filling-sealing integrated equipment at speeds up to 60–100 bags per minute without jamming or waste film.
The film has a wide heat-sealing temperature range of 100–130℃, reducing the need to frequently adjust equipment parameters. It supports surface printing with pattern adhesion up to 4B level, and can customize brand logos, product descriptions, and other information — balancing practicality and brand communication to help enterprises improve market competitiveness.
To meet the needs of spout pouch automated production lines, the film surface is smooth without impurities and static electricity, which can smoothly pass through forming-filling-sealing integrated equipment at speeds up to 60–100 bags per minute without jamming or waste film.
The film has a wide heat-sealing temperature range of 100–130℃, reducing the need to frequently adjust equipment parameters. It supports surface printing with pattern adhesion up to 4B level, and can customize brand logos, product descriptions, and other information — balancing practicality and brand communication to help enterprises improve market competitiveness.
Frequently Asked Questions
Q1
What heat-sealing temperature range does the IPE film for spout pouches support?
The IPE film supports a wide heat-sealing temperature range of 100–130℃. A strong, leak-proof seal between the film and spout can be achieved within 100–120℃, minimizing the need to adjust equipment parameters during production and improving overall line efficiency.
Q2
How does this IPE film prevent leakage at the spout-to-film junction?
The film uses a customized heat-sealing layer formula combined with multi-layer co-extrusion technology. This creates a heat-sealing strength of 18–22 N/15mm — significantly higher than the conventional 12–15 N/15mm standard. Drop tests from 1 meter confirm a 100% seal integrity rate, ensuring zero leakage even under vigorous shaking or inversion.
Q3
Is this IPE film suitable for products like cooking oil, laundry detergent, or other mildly corrosive contents?
Yes. The film features mild chemical resistance, which prevents swelling or strength degradation caused by long-term contact with mildly corrosive contents such as cooking oil, laundry detergent, and similar products. This extends the overall service life of the spout pouch packaging.
Q4
What production speed can automated lines achieve using this IPE film?
The IPE film is designed to work seamlessly with forming-filling-sealing integrated equipment, supporting automated production speeds of 60–100 bags per minute. Its smooth, static-free surface prevents jamming and minimizes film waste during high-speed operations.
Q5
Can the IPE film be customized with brand printing or product information?
Yes. The film supports surface printing with a pattern adhesion level up to 4B, allowing full customization of brand logos, product descriptions, usage instructions, and other information. This helps brands enhance product presentation and market competitiveness without compromising packaging performance.
Q6
How does the thickness consistency of this IPE film compare to industry standards?
Produced using advanced five-layer co-extrusion blown film technology, the thickness deviation of this IPE film is strictly controlled within 2%–4%, which is far better than the industry's conventional standard of 5%–8%. This ensures superior film flatness, structural stability, and consistent performance across every roll.