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High Functionality Sauce Packaging - Acid & Alkali Resistant from China Suppliers | Ideal for Boiling & Food Factory Use
Product Description
Sauce packaging fears leakage, boiled food packaging fears high-temperature deformation—traditional films often suffer from packaging damage due to insufficient corrosion resistance, liquid leakage due to low heat-sealing strength, or film surface shrinkage during boiling sterilization due to poor temperature resistance. Our high-functional IPE film integrates three core performances of "high-strength heat-sealing + acid-alkali corrosion resistance + wide temperature range tolerance" through multi-layer co-extrusion technology and special raw material formulation, providing a stable and reliable solution for sauce and boiled food packaging.
1
High-Strength Heat-Sealing: Reliable Protection Against Liquid Leakage
Using special heat-sealing resin and interlayer reinforcement technology, the film's heat-sealing strength is stably maintained at 20–25N/15mm, far exceeding the industry's conventional standard of 15–18N/15mm. Even when packaging thick sauces with particles (such as broad bean paste, beef sauce) or when internal pressure increases after boiling, the seal can still fit tightly without cracking or liquid leakage. Tests show that when the film bag containing sauce falls from a height of 1.2 meters or bears 5kg of lateral pressure, the seal integrity rate reaches 100%, completely solving the leakage risk in sauce transportation and storage.
2
Acid-Alkali Corrosion Resistance: Suitable for Multiple Sauce Types
The film surface is added with chemical corrosion-resistant modifiers, forming a uniform protective layer through precision co-extrusion technology, which can withstand acid-alkali environments with pH 2–12 for a long time—whether it is acidic vinegar, tomato sauce, alkaline broad bean paste, or high-salt soy sauce and chili sauce, it can effectively block the penetration of sauce components, preventing the film from swelling, discoloration or strength attenuation. Even if the sauce is stored for a long time (more than 6 months), the packaging remains intact without affecting product quality and appearance.
3
Wide Temperature Range Resistance: Suitable for Boiling Sterilization Process
The raw material uses high-temperature resistant polyethylene substrate, which is subjected to special cross-linking treatment, expanding the film's temperature resistance range to -20℃ ~ 121℃: it can be used for frozen sauce storage at low temperatures, and can withstand 121℃ boiling sterilization at high temperatures (such as 10–30 minutes of boiling heating for prepared dishes). During the process, the film surface does not shrink or deform, and the heat-sealing strength attenuation rate is less than 5%. No additional protective layer is needed, directly adapting to the boiling packaging line of food factories, simplifying the production process and reducing packaging costs.
4
Safety Compliance and Efficient Processing: Balancing Practicality and Productivity
All raw materials comply with FDA and EU 10/2011 food contact standards, with no harmful substances precipitated during acid-alkali resistance and high-temperature resistance, and can directly contact food and sauces. The film surface has high flatness (thickness uniformity ±2μm), compatible with high-speed automatic packaging machines of 80–180 bags per minute, ensuring smooth conveying without jamming and reducing downtime for debugging. It also supports surface printing (adhesion up to 4B level), and can customize brand logos and product information, helping to improve the visual texture of packaging and enhance consumer recognition.
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Frequently Asked Questions
Q
What is the heat-sealing strength of this IPE film, and how does it compare to standard films?
Our IPE film maintains a heat-sealing strength of 20–25N/15mm, which significantly exceeds the industry conventional standard of 15–18N/15mm. This ensures the seal remains intact even under high internal pressure during boiling or when packaging heavy, particle-rich sauces.
Q
What pH range can this film tolerate, and which sauce types is it compatible with?
The film can withstand acid-alkali environments with a pH range of 2–12 for extended periods. It is compatible with a wide variety of sauces including acidic products like vinegar and tomato sauce, alkaline products like broad bean paste, and high-salt condiments such as soy sauce and chili sauce.
Q
Can this film be used for boiling sterilization processes, and what temperatures does it support?
Yes. The film supports a wide temperature range of -20℃ to 121℃. It is suitable for both frozen sauce storage at low temperatures and high-temperature boiling sterilization at 121℃ for 10–30 minutes, such as those used in prepared dish packaging. The film does not shrink or deform during the process, and heat-sealing strength attenuation remains below 5%.
Q
Is this IPE film certified for food contact safety?
Yes. All raw materials comply with FDA (U.S. Food and Drug Administration) and EU 10/2011 food contact material standards. The film does not release harmful substances under high-temperature or acid-alkali conditions, making it fully safe for direct contact with food and sauces.
Q
Is this film compatible with high-speed automated packaging lines?
Absolutely. The film features high surface flatness with a thickness uniformity of ±2μm, making it fully compatible with high-speed automatic packaging machines operating at 80–180 bags per minute. It ensures smooth conveying without jamming, reducing downtime and improving production efficiency.
Q
Does this film support custom printing for branding purposes?
Yes. The film surface supports high-quality printing with ink adhesion reaching up to 4B level. Manufacturers can customize brand logos, product names, and other information on the packaging, helping to enhance visual presentation and improve consumer brand recognition.