Polyvinylidene chloride (PVDC)

Description

1. Product Overview
   Polyvinylidene chloride (PVDC) is a high-performance thermoplastic polymer widely recognized for its exceptional barrier properties against oxygen, moisture, and odors. It is primarily used in advanced packaging applications, especially in food, pharmaceutical, and industrial protective films where product integrity and shelf life are critical. PVDC delivers superior performance compared to conventional polymers, making it a strategic material in high-value packaging supply chains. Its importance in the global market is driven by increasing demand for extended shelf-life packaging and contamination-resistant materials.
2. Key Specifications & Technical Characteristics

• Chemical composition: Polyvinylidene chloride polymer (repeating unit: (C₂H₂Cl₂)ₙ)
• Purity/Grade: Industrial grade, high molecular weight polymer resin
• Physical form: White to off-white powder or aqueous latex/emulsion
• Density: ~1.6 – 1.9 g/cm³
• Particle size: Fine polymer resin (customizable based on application grade)
• Packaging options: 25 kg multilayer bags, fiber drums, or bulk containerized IBC systems
• Shelf life: 12–24 months under cool, dry, and sealed storage conditions
• Solubility: Insoluble in water; soluble in select organic solvents under processing conditions

3. Core Industrial Applications
   PVDC is extensively used in industries requiring premium barrier protection and product stability.

• Food packaging industry: multilayer films for meats, cheese, confectionery, and perishables to extend shelf life
• Pharmaceutical packaging: blister packs and protective coatings for moisture-sensitive drugs
• Industrial coatings: barrier coatings for paper, foil, and flexible packaging substrates
• Consumer goods packaging: shrink films and protective wraps for odor and oxygen-sensitive products
• Performance advantage: outperforms polyethylene and polypropylene in gas and moisture barrier efficiency, significantly reducing product spoilage and waste while improving supply chain efficiency and product preservation.

4. Competitive Advantages

• Superior barrier performance against oxygen, moisture, and aroma migration
• Highly consistent polymer quality enabling stable industrial processing
• Strong supply chain reliability with scalable bulk production capability
• Cost-efficient lifecycle performance through reduced product loss and extended shelf life
• Compatibility with multilayer film technologies and advanced packaging systems
• Comprehensive technical documentation and formulation support for industrial users
• Reduced environmental footprint through lower packaging waste due to extended product preservation

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading capacity: Approximately 20–22 MT per 20ft container (depending on packaging configuration and regional shipping regulations)