PA Film for Tough Packaging Jobs
PA material, Polyamide or commonly called nylon, is a semi crystalline thermoplastic with low density and high thermal stability. Nylon plastic is one of the most important construction plastics due to its excellent wear resistance, good coefficient of friction and very good temperature resistance and impact strength.
PA (nylon) film offers exceptional puncture resistance, flexibility, and barrier performance against oils, gases, and aromas. Ideal for food, pharma, and industrial packaging. Outstanding ink adhesion and heat resistance make it perfect for printing and lamination.
PA Film Laminations with Other Materials
PA film is often laminated with other materials to enhance its properties, such as barrier performance, sealing capabilities, and durability. Below is a detailed overview of common BOPA laminations and their functions in flexible packaging
PA+PE (Polyethylene)
Structure:
*Outer Layer: PA for strength, flexibility, and printability.
*Inner Layer: PE for moisture resistance and heat-sealing properties.
Applications:
Suitable for frozen food, meat packaging, and vacuum pouches. Offers good moisture resistance combined with excellent mechanical strength.
PA+Aluminum Foil+PE
Structure:
*Outer Layer: PA for toughness and printability.
*Middle Layer: Aluminum Foil for maximum barrier against light, oxygen, and moisture.
*Inner Layer:PE for sealing and additional moisture protection.
Applications:
Ideal for high-barrier needs like coffee, powdered milk, and pharmaceutical products. This structure ensures extended shelf life and superior product protection.
PA+PET+PE
Structure:
*Outer Layer: PA for mechanical strength and printability.
*Middle Layer: PET for enhanced rigidity and additional barrier properties.
*Inner Layer:PE for heat sealing.
Applications:
Common in snack packaging and liquid pouches where strength, transparency, and flexibility are required.
PA+EVOH+PE
Structure:
*Outer Layer:PA for puncture resistance and printability.
*Middle Layer:EVOH for enhanced oxygen barrier properties.
*Inner Layer:PE for sealing.
Applications:
Perfect for sauces, condiments, and processed foods requiring excellent aroma and gas barriers.
PA+CPP (Cast Polypropylene)
Structure:
*Outer Layer: PA for mechanical strength and printability.
*Inner Layer:CPP for excellent heat-sealing properties and high-temperature resistance.
Applications:
Used in retort pouches and ready-to-eat meal packaging. This lamination can withstand high-temperature sterilization processes.
PA+Metallized PET+PE
Structure:
*Outer Layer: PA for strength and gloss.
*Middle Layer: Metallized PET for enhanced light and oxygen barriers.
*Inner Layer:PE for sealing.
Applications:
Used for snack foods, chips, and high-barrier packaging requiring enhanced visual appeal and protection.