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The food packaging industry is growing day by day. Plastic films are a popular choice for food packaging purposes. When people mention plastic films, they regard them as a single type of material. In reality plastic films consists of a wide range of materials that vary in complexity based on a product’s requirements.
Advantages of Choosing Plastic Films
Plastic Films score in terms of safety over conventional materials for food packaging. The material is very less susceptible to contamination as well as pilferage. The shelf life of food products becomes longer. The material gives the food items attractive looks and is leveraged for branding purposes.
Plastic film is lightweight. It is easy to print information on it. Additionally, the films have superior barrier properties and can be recycled as well as reused.
We take a look at the different types of plastic films and their uses when it comes to food packaging.
High Density Polyethylene
This material has superior resistance to majority of solvents. It is the most prevalent plastic film in use.
Uses
Low Density Polyethylene
This is ideal for packaging applications involving heat sealing.
Polypropylene
Possesses high level of optical clarity.
Polyethylene terephthalate (PET or PETE)
Prevents penetration of carbon dioxide, oxygen as well as water.
Polycarbonate
It is long lasting, robust, transparent as well as resistant to heat.
Polyethylene naphthalate
It is ideal for preventing transfer of odours as well as flavours.
Polystyrene
Offers potent barrier to moisture and has high stiffness
The plastic film can be transparent or coloured. Also, it comes in single as well as multi-layered versions. The technology exists for combining the film with different materials including aluminium and paper for enhancing the film’s properties as well as capabilities.
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