Anti Ageing Film

PVC anti-aging film is produced using raw materials with anti-aging additives through calendering, resulting in a longer lifespan compared to regular PVC film. Dibona can customize anti-aging films with corresponding parameters according to customer needs.

PVC anti-aging film is widely used in various industrial applications, including:

Waterproof Enclosures and Products
Due to its exceptional durability and water resistance, PVC film is ideal for creating outdoor and indoor waterproof enclosures and products, such as canopies, tents, and shower curtains.

Furniture and Supply Covers
PVC anti-aging film is excellent for making furniture covers and protective products like food delivery bags and imitation leather. These covers and products are weatherproof, easy to maintain, and can be laminated for extra protection.

Windows and Siding
PVC film's insulating and heat-resistant properties, combined with its durability, make it perfect for window covers and siding.

Packaging Materials
Both rigid and flexible PVC films are used in the packaging industry. Flexible film is used for tamper-resistant seals on consumer goods, food, beverages, and pharmaceuticals, while rigid film is used for packaging materials like clamshells.

PVC anti-aging film boasts several key features, including high resistance to UV rays, acids, alkalis, oils, and many corrosive mineral chemicals. Additional advantages of PVC plastic are:

• Low-cost production
• Flexibility and impact resistance
• Excellent electrical insulation
• Non-flammability
• Ease of processing
• High transparency
• Effective heat sealing
• Good toughness
• Uniform thermal shrinkage

Calendered
To produce calendered PVC film, PVC powder is mixed with a liquid softener in a fine mill. The mixture is then extruded to form a homogeneous mass called a melt. This process uses two counter-rotating rolls heated to about 350 degrees Fahrenheit. The melt is drawn into the gap between the rolls and flattened under pressure.

Cast
The casting process begins with obtaining raw materials. PVC resin is first mixed with a plasticizer and stabilizer. This mixture is then passed through a mixing roller, which feeds it to an extruder. The material is subsequently sent through a calendered section, where it reaches a temperature between 160°C and 180°C. Finally, the material is cooled.

Compounding
Many plastics processors are exploring new methods to reduce costs while compounding PVC film. Polyvinyl chloride (PVC) technology helps meet specific performance specifications. We collaborate with customers to determine the best compounds for their needs. When producing PVC foil by polymerizing oil, the material undergoes several processes requiring an auxiliary agent-a chemical compound with several repeat units linked head-to-tail. The theoretical molecular weight of PVC ranges from 30,000 to 95,000. Both the average molecular weight of the film and its distribution affect its properties.

Heat Stabilisers
Heat stabilisers enhance PVC film's resistance to heat aging, sunlight, and weathering. These additives improve the film's physical properties and influence its cost. Typically, stabilisers are provided in blends containing metal soaps, salts, and organic compounds. Their selection depends on the final use of the PVC film, regulatory approval requirements, and cost.

Phthalate Plasticisers
Orthophthalates are a class of chemical plasticisers used in PVC and other materials. They are found in various everyday products and life-saving medical devices. Some are also used in non-PVC industries. These plasticisers are classified as either high or low phthalates based on their toxicological properties and legal requirements.

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