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Packaging is an important part of the biscuit production line. Packaging biscuits and cookies convey products safely and conveniently to the consumers and attract potential customers with aesthetic attributes such as lure sales or easy recognition. Moreover, it displays information regarding the biscuit type, weight, ingredients and manufacturer. In the meanwhile, the pack shape will do matter to the position it can be displayed on the shelf in the shop.
Packing materials commonly used for biscuits:
Polypropylene film has the advantage of price and technical performance. It is available as “metallized orientated polypropylene film(OPP)” and “biaxially oriented polypropylene film(BOPP)”. Polypropylene is a naturally good moisture barrier and its strength is good for sealing. Most polypropylene films used for biscuit packaging are OPP films.
Cellophane is a thin, transparent sheet made from regenerated cellulose. Its low permeability to air, oil, grease, bacteria and water makes it useful for biscuit packaging. They are completely transparent but they can be colored or rendered opaque by the addition of pigments. The higher cost of cellophane films makes them more or less displaced by polypropylene films.
The polyester aluminized film is formed by depositing aluminum on the surface of the plastic film at high temperatures under a high vacuum state so that the surface of the plastic film has a metallic luster. Metallized films not only have the surface of metal but also have the flexibility, strength and thickness of the plastic film. They are widely used in the packaging of biscuits and puffed food.
Laminates are formed by combining two or more sheets of material, which will improve the film properties greatly. There is a great variety of combinations such as paper, OPP, polyethylene, aluminum foil, metallized films and so on.
Aluminum foil is formed by rolling the pure aluminum to thicknesses as low as 0.006mm. It is a complete barrier to light, moisture, grease and gas if it does not have any pinholes. When it is folded, it does not have the tendency to spring back. It is too thick and expensive for use around biscuits’ packaging. So the use of aluminum foil for packaging is as a laminate with waxed paper, polyethylene or polypropylene.
It is important to do market research before choosing packaging materials. Feel free to contact us for a biscuit line solution. If you find this article interesting, please follow our Facebook▶https://www.facebook.com/biscuitequipment We will share more fun things about biscuits both on our website and on Facebook.