High-Performance
Fin Seal Bags
The industry-leading form-fill-seal packaging solution. Delivering hermetic freshness protection for every product with a continuous fin seal, superior barrier properties, and outstanding high-speed production compatibility.
Maximum Efficiency & Freshness
As a professional manufacturer, we innovate in technology and design to deliver fin seal solutions that define market standards.
High-Speed FFS Compatible
Engineered for seamless integration with form-fill-seal machinery. The ideal choice for automated, high-throughput production lines without compromising quality standards.
Hermetic Fin Seal Integrity
The continuous longitudinal fin seal creates an airtight enclosure. Perfect for snacks, confectionery, and fresh produce requiring reliable gas-flush or vacuum packaging.
360° Printable Surface
A smooth, wrap-around printable surface with no dead zones. Ensures your brand graphics and product information are showcased with maximum visual impact on every shelf.
Custom Functional Features
Gas Flush & Modified Atmosphere
Engineered with high-performance BOPP/CPP and OPP/CPP film structures. Supports nitrogen flushing and modified atmosphere packaging (MAP) to significantly extend product shelf life and preserve freshness.
Easy-Open Features
Prioritizing consumer convenience with standard Tear Notches or high-precision Laser Scoring. Guaranteed effortless opening in any environment without compromising barrier integrity.
Hanging Display
Optimized for retail visibility. We offer customizable Round or Butterfly holes, specifically designed for organized and eye-catching presentation on supermarket pegboard displays.
Driven by "Quality First, Service Foremost" -- Specialized for Food, Snack, Confectionery, & Daily-Use Industries.
Technical Specifications
Specialized standards for Fin Seal Bags, engineered by Sengelin Packaging for ultimate durability and barrier performance.
| Technical Item | Detailed Standards | SGL Packaging Advantages |
|---|---|---|
| Material Composition | BOPP/CPP, OPP/CPP, PET/PE, BOPP/VMPET/CPP |
Multi-layer high-barrier composite structures. Special metallized and anti-fog inner films available for moisture-sensitive or fresh produce applications. |
| Fin Seal Width | 8mm - 20mm (Adjustable) | Precision longitudinal fin sealing technology ensures a flat, consistent back seal with zero false sealing, delivering reliable hermetic closure at high machine speeds. |
| Corner Craftsmanship | R1.5 - R5 (Optional) | Precision die-cut rounded corners eliminate sharp edges, enhancing consumer safety and brand affinity. |
| Production Capacity | 15 High-speed fin seal rollstock lines | Our 6,000m² facility equipped with precision slitting and rewinding machines delivers millions of meters daily, meeting urgent lead-time requirements. |
"Quality First, Service Foremost" -- We continuously innovate in materials to help your brand stand out.
One-Stop Customization Services
Driven by "Quality First, Service Foremost," we provide comprehensive fin seal packaging solutions tailored to help your brand stand out.
Film Structure Innovation
Customized rollstock film structures including BOPP, OPP, PET, and CPP for optimal fin seal performance and barrier durability.
Professional Design
Engineering-focused technical support to optimize your fin seal bags and rollstock films for high-speed FFS machine compatibility.
Elite Production
High-speed production lines specialized in fin seal rollstock and premium flexible films with rigorous quality control at every stage.
Direct Dispatch
Factory-direct dispatch ensuring speed and transparency for food, snack, confectionery, and daily-use industry partners.
Factory Strength &
Quality Assurance
Shenzhen Longgang Factory
Leveraging GBA supply chain advantages, our 6,000 m² standardized base provides integrated production from printing to precision slitting and rewinding.
Rigorous Quality Control
- Fin Seal Strength Test
- Peel Strength Test
- Oxygen Transmission Rate
Physics Laboratory
For gas-flush and MAP applications, we simulate real-world filling environments through seal integrity and burst testing to ensure 100% leak-proof and damage-free logistics performance.
Countries served globally including professional partnerships across North America, Europe, and Southeast Asia.
High-stability fin seal film supply for leading global brands with a mature export logistics system.
Ready to Get Your Custom Fin Seal Solution?
Select the path that best fits your needs and let Sengelin Packaging elevate your brand's presence with premium fin seal bags.
Fin Seal Bag Sample Kit
Includes BOPP/CPP and metallized film variants to test our premium fin seal quality firsthand.
Instant Quote
Perfect for fin seal rollstock and high-volume production runs with fast turnaround.
Consult an Engineer
Expert advice on choosing the best film structure for your FFS machine and fin seal application.