Application of plastic trays in food packaging
Plastic trays packaging has a very wide and key use in food packaging, which is embodied in the following aspects:
- Ø Preservation and quality preservation：
Barrier performance: Many plastic trays are made of good barrier materials, such as PET (polyethylene terephthalate) plastic trays, which can effectively block oxygen, water vapor and light. Oxygen can cause oxidation and deterioration of food, such as potato chips and nuts, with high barrier plastic trays to maintain crisp taste for a long time; moisture is isolated to avoid soft biscuits. For perishable foods such as fresh-cut fruits and cooked meat, plastic trays reduce the risk of microbial invasion and significantly extend their shelf life.Seal
Characteristics: plastic tray with sealing cover, build a nearly enclosed space. For example, yogurt cup, tightly fitted lid to prevent external air mixing, inhibit the decline of probiotics in yogurt, maintain its good flavor and texture, consumers can taste fresh products.
2. Ø Convenient for transportation and storage
Light and easy to stack: compared with glass, metal and other packaging materials, plastic tray weight is greatly reduced. In the large-scale food logistics transportation link, lighter plastic tray packaging can reduce transportation costs, but also reduce the possibility of food extrusion and collision caused by heavy packaging. At the same time, the regular shape of the plastic trays is easy to stack neatly, and can efficiently use the storage space, like the plastic lunch trays placed in the supermarket warehouse, which are very convenient to store on the sh
Impact resistance: plastic is born with a certain flexibility and impact resistance, can buffer the external collision, vibration. For example, fruits are commonly made of plastic. Even if there are bumps and shakes in the transportation process, the plastic grooves tightly stabilize the fruits, greatly reducing the breakage rate of eggs, so that fragile food can safely reach the destination.
3. Ø Display and promotion
Transparency: many plastic trays are transparent or translucent, like plastic trays with delicate cakes, consumers can not open the color, shape and weight of the internal food, this intuitive display arouses the desire to buy. Businesses can also paste eye-catching brand logo and promotional stickers on the surface of transparent plastic trays, which does not affect the visibility of food, but also achieve the publicity effect.
Customized shape: the plastic tray is easy to process and shape, which can shape the different shapes to attract attention. For example, plastic trays for children's snacks, made into cartoon images and interesting dolls, stand out from the many packages on the shelves and effectively drive sales.
4. Ø Cost-effectiveness
Controllable material cost: plastic raw materials sources, the production process is mature, under the large-scale production, the unit cost of plastic trays is low. Small and medium-sized food enterprises can also easily afford to package all kinds of products, such as street bakery snacks, using simple plastic tray packaging, not only to meet the demand of selling packaging, but also will not raise the cost and maintain price competitiveness.
High production efficiency: plastic tray injection molding, blowing molding molding process is fast, can quickly complete the mass production task, fit the FMCG production rhythm of the food industry, a continuous supply of packaged food for the market.
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