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PA/EVOH 7-Layer Co-Extruded Film for Lithium Battery Pouch Cells - Ultra-High Barrier, Anti-Electrolyte

In the fast-growing prepared meal and food delivery sector, packaging integrity is paramount. EVOH barrier film as a seal ensures meals remain leak-proof during transit. More importantly, it protects against flavor contamination and quality loss from external odors and oxygen during the delivery window. Whether for a pasta dish, curry, or a gourmet salad, the film helps guarantee that the delivered meal matches the chef's intention in taste and freshness.

✔ Tamper-Evident Security - Provides a visible guarantee of product integrity and safety.

✔ Safeguards Nutrition - Protects sensitive vitamins and nutrients from degradation.

✔ Leak-Resistant Seal - Secure, strong seal prevents spills and leaks in transit.

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Description & Benefits
Product Specifications
Applications
Process & Reviews
Our One-Stop Advantage
FAQs

Detailed Description

Description

By providing an exceptional barrier, EVOH lidding film is a key tool for shelf-life extension. It allows retailers to reduce spoilage rates and offer consumers products with longer best-before dates. The robust seal also acts as a tamper-evident barrier, enhancing food safety. For sensitive products, this film can be integrated with easy-peel features, offering both security and user convenience without compromising the protective barrier until opened.

Crystal Clear Visibility - Showcases your food while protecting it (also available in opaque finishes).

Lightweight & Efficient - High performance in a thin, resource-efficient gauge.

Why Switch to HSQY EVOH?

Safety First: Passes through metal detectors, ensuring 100% food safety compliance on your production line (unlike aluminum).

Design Flexibility: We offer custom logo

Cost Efficiency: Being lighter than traditional materials, it reduces shipping weights and carbon footprint.

Product Specifications

Technical Data Sheet
Category	Parameter	Typical Value / Description
Material Structure	Construction	3-Layer or 5-Layer Co-extruded Film (e.g., PP/EVOH/PP, PET/PE/EVOH/PE/PET)
Material Structure	Core Barrier Layer	Ethylene-Vinyl Alcohol Copolymer (EVOH)
Key Barrier Properties	Oxygen Transmission Rate (OTR) @ 23°C, 0% RH	< 1.0 cc/m²/day (Typically 0.1 - 0.5 cc/m²/day)
	Water Vapor Transmission Rate (WVTR) @ 38°C, 90% RH	2 - 10 g/m²/day (Dependent on sealant/polyolefin layers)
	Aroma / Flavor Barrier	Excellent
Physical & Mechanical	Total Thickness	50 - 150 microns (Customizable)
	Tensile Strength (MD/TD)	> 40 MPa
	Elongation at Break (MD/TD)	> 200%
	Tear Resistance	High
Thermal Properties	Heat Seal Layer	Common sealants: PP, PE, APET
	Heat Seal Temperature Range	120°C - 160°C (Depending on sealant and substrate)
	Service Temperature	-40°C to +121°C (Short-term microwave heating applicable)
Optical Properties	Haze	< 5% (For high-clarity grades)
Optical Properties	Gloss	> 80 (For high-gloss grades)
Applications	Compatible Containers	PP, APET, PS, Paperboard (with appropriate coating)
Applications	Typical Uses	Lidding for: Ready Meals, Fresh & Chilled Foods, Dairy, Pet Food, Pharmaceuticals

Feature / Property	EVOH Multi-Layer Barrier Film	Standard PP/PE Film	PET/AL Foil Laminate	Nylon (PA) Based Film
Oxygen Barrier (OTR)	Excellent (Extremely Low) Superior protection against oxidation.	Poor (Very High) Allows significant oxygen transmission.	Perfect (None) Complete barrier.	Good (Moderate) Susceptible to moisture.
Aroma & Flavor Barrier	Excellent Prevents flavor loss and cross-contamination.	Poor	Perfect	Good
Moisture Barrier (WVTR)	Good (When protected by polyolefin layers)	Good to Excellent	Perfect	Poor (Hydroscopic)
Clarity & Product Visibility	Excellent (High-clarity grades)	Excellent	Opaque	Good to Excellent
Heat Seal Integrity	Excellent to various substrates	Excellent	Good (Special layers needed)	Good
Puncture & Tear Resistance	Very Good	Good	Poor (Foil tears easily)	Excellent
Microwaveability	Excellent (Suitable for reheating)	Excellent (PP-based)	Not Suitable	Varies (Often suitable)
Freezer Suitability	Excellent	Excellent	Good	Good
Flexibility & Stiffness	Flexible, good dead-fold	Flexible	Stiff, prone to crease failure	Very Flexible, Tough
Typical Cost	Medium to High	Low	Medium	Medium

Where to Use EVOH sheet?

● Ready-to-Eat Meals: Ideal for sealing microwaveable meal trays, preserving freshness and flavor during storage and reheating.

● Fresh Produce & Salads: Extends shelf life for chilled food containers by creating an optimal modified atmosphere (MAP) barrier.

● Premium Food Delivery: Ensures leak-proof, secure, and quality-preserving seals for gourmet and hot/cold delivery meal boxes.

● Dairy & Deli Containers: Protects sensitive products like yogurt, dips, and sliced meats from oxidation and odor transfer.

How to Order?

Inquiry

Confirm specifications & quantity.

Sample

Free sample sent for oven testing.

Order

Sign contract & pay deposit.

Production

15-20 days lead time.

Shipping

Global delivery arranged.

Customer Testimonials

“

As someone who preps a week's worth of lunches every Sunday, this sealing film is a game-changer. My roasted vegetables and grilled chicken stay fresh and flavorful until Friday—no more soggy or bland meals! The seal is strong and leak-proof, even with sauces. Highly recommend for anyone serious about meal prep.

From Sarah M.

Meal Prep Enthusiast

“

We switched to EVOH barrier film for our premium meal boxes, and the difference is remarkable. Customer complaints about leaks or stale flavors have dropped to zero. The film seals perfectly to our compostable containers and survives delivery without a hitch. It’s now a non-negotiable part of our packaging.

From Chef Ben T.

Gourmet Delivery Service Owner

Complete Your Packaging Line

Don't risk incompatibility. We supply the complete ecosystem.

● CPET Lidding Film:

Anti-fog & Easy-peel. Formulated to bond perfectly with CPET trays.

● Tray Sealing Machines:

From manual table-top sealers to fully automatic lines.

● Paper Sleeves:

Custom printed branding sleeves for retail display.

Free Consultation

Frequently Asked Questions

How does the film ensure a leak-proof seal on different container types?

Our film's specialized heat-seal layer is designed to bond securely with PP, PET, and paper-based containers, providing a consistent and reliable seal that prevents leaks during transport and storage

Can this film truly extend the shelf life of my fresh-prepared meals?

Yes. The EVOH barrier layer dramatically reduces oxygen ingress, which is the main cause of spoilage. In many cases, it can double or even triple the shelf life of sensitive products like salads, ready meals, and proteins.

Does the film meet food safety standards?

Yes. Our films are manufactured with FDA-compliant and EU-regulated food-grade materials. We can provide specific migration test reports upon request.

Request Your Custom Quote – Get Started Today

As your one-stop food packaging manufacturer, we offer compliant, high-quality plastic packaging (sheets, films, containers, etc.) backed by 15 years of expertise & 9 factories. Fill out the form, and our specialist will send a tailored quote, sample options, or technical details within 24 hours!