Cailong

In the ever-evolving world of flexible packaging, maintaining product freshness and integrity is paramount. PVDC (polyvinylidene chloride) coated films have emerged as one of the most reliable high-barrier materials available today. Produced by applying one or more layers of PVDC onto base films such as PET, BOPP, or BOPA, these coatings deliver outstanding protection against oxygen, moisture, and aromas — making them indispensable in food, medical, and pharmaceutical packaging.

What Makes PVDC Special?

PVDC is a transparent, flexible thermoplastic synthetic resin first commercialized by Dow Chemical in the 1930s. It offers a unique combination of high clarity, gloss, and barrier properties that rival even metallized films. When applied as a coating, it dramatically reduces oxygen transmission rates while also providing excellent moisture resistance. This dual-action barrier helps preserve flavor, prevent spoilage, and significantly extend product shelf life.

Key Performance Properties

• Ultra-low oxygen permeability​ – Ideal for vacuum packaging and modified atmosphere packaging (MAP)
• Excellent moisture barrier​ – Keeps dry products crisp and prevents moisture ingress
• Grease and oil resistance​ – Suitable for fatty foods and oily contents
• Aroma retention​ – Locks in natural flavors and prevents odor migration
• High transparency and gloss​ – Enhances product visibility and shelf appeal
• Chemical resistance​ – Withstands aggressive substances found in medical and industrial applications

Versatile Application Areas

Thanks to its superior barrier performance, PVDC coated film is widely used across multiple industries:

1. Food Packaging

• Fresh meat, poultry, and seafood
• Cheese, dairy, and processed meats
• Snacks, nuts, and dried fruits
• Coffee, tea, and spices (aroma preservation)

2. Medical & Pharmaceutical Packaging

• Sterile device pouches
• Blister packs for tablets and capsules
• Moisture-sensitive drug packaging

3. Industrial & Specialty Uses

• Electronic component packaging
• Chemical powder and grease-containing products
• Microwave-ready packaging (PVDC is microwave-safe)

Processing & Converting Advantages

PVDC coated films are designed with converters in mind:

• Excellent printability​ – Compatible with conventional solvent-based, water-based, and UV ink systems
• Strong lamination bond​ – Can be easily laminated to other films or foils for multi-layer structures
• Dual-side heat sealing​ – Optional heat seal strength ≥ 0.8 N/15 mm, enabling pouch and bag forming
• Good extrusion coating compatibility​ – Works seamlessly with extrusion lamination processes
• Microwave safe​ – Suitable for reheating applications without compromising barrier properties

Why Choose Our PVDC Coating Line?

Our advanced coating line ensures uniform, defect-free application of PVDC on various substrates. We offer customized solutions including:

• Single-sided or double-sided coating
• Adjustable coating thickness for targeted barrier levels
• Matte or glossy finish options
• Tailored heat seal layers for specific packaging formats

Conclusion

As consumer demand for longer shelf life and reduced food waste continues to grow, PVDC coated films remain a trusted, proven solution. Combining metal-like barrier performance with the flexibility and transparency of plastic films, they deliver the best of both worlds. Whether you need a standard fresh-keeping film or a specialized medical-grade barrier, our PVDC coating technology can meet your requirements.

Contact us today to discuss your packaging needs and request samples.