The wide usage of transparent PE stretch film: multidirectional effectiveness from packaging to agriculture.

In this rich world of modern materials, the transparent PE stretch film has grown into an indispensable material in many industries with its unique properties and wide applicability. With excellent stretching performance, good transparency, reliable flexibility, and remarkable moisture-proof and dust-proof characteristics, this film has already been applied outstandingly in many fields such as packaging, warehousing, logistics, and agriculture.

I. Brilliant Performance in the Packaging Field

1. Industrial Product Packaging

Transparent PE stretch film plays an important role in the packaging of industrial products. For all kinds of metal products, such as mechanical parts and auto accessories, it will offer effective protection.

 Excellent stretching performance could make it tightly wrap the products. Even for some parts with rather strange shapes, it can be tightly fitted together to avoid scratching and abrasion that may be caused by mutual collisions during transportation or storage. For example, in the packaging of large-scale mechanical equipment parts, several small parts can be combined and packed using stretch film. This can help not only in acting as a fixing agent but also in making it dust and moisture-proof so that it may reach the destination without damage.

The demands on packaging electronic products are super high: to require avoiding static electricity, moisture, or collision. Transparent PE stretch film owns good insulation performance and effectively prevents the static electricity from damaging an electric product. Meanwhile, its waterproof performance can protect the sensitive circuits of electronic products from the influence of moisture. In the production and transportation process of mobile phones, computers, and other electronic products, stretch film is widely used in wrapping a single product or the whole box of products, which can provide reliable protection for the products in the complicated logistics chain.

2. Food Packing

In the food industry, transparent PE stretch film is also widely used. The high transparency can make the color, shape, and freshness of the food in the package be clearly seen by consumers, which greatly increases the product's appeal. For fresh fruits and vegetables, stretch film can extend their freshness. With proper stretching and wrapping, it can control the gas environment inside the package and reduce the respiration of fruits and vegetables to keep them fresh and nutritional. For example, in supermarkets, strawberries, blueberries, and other fruits packed in boxes are often covered with transparent PE stretch film. Not only can it show the good appearance of the fruits, but it also keeps them fresh.

For baked goods like bread and cakes, the moisture-proof performance of stretch film can prevent products from getting damp and soft and keep them crisp. Besides, it is easy to heat-seal, which effectively isolates the air and prevents food from oxidizing and spoilage. Many bakeries use stretch film to simply package unsold bread on the same day to extend the shelf life and also facilitate customers' carrying.

II. An Invaluable Assistant for Warehouse and Logistic

1. Pallet packaging is one of the common methods applied in warehousing and logistics when organizing or arranging cargo and dispatch. Packing a pallet by some items, PE stretch films can tightly wrap all goods that were put onto these pallets for keeping them steady. Its powerful tensile force means to ensure in any manipulative and transport cases, goods are never displaced and collapsed. Whether it is handling by forklifts in the warehouse or on long-distance transportation over bumpy roads, stretch film can ensure the safety of goods. For example, in large e-commerce warehouses, hundreds or even thousands of cartons filled with goods are put on pallets and then tightly wound with stretch film. It can only facilitate handling and storage, greatly improving logistics efficiency in several aspects.

2. Goods Protection, Moisture - Dust Prevention

Moisture and dust are quite common issues encountered by goods when they enter into the warehouse environment. On grounds of that, transparent PE stretch film is pretty reliable in goods protection, boasting superior characteristics of moisture proof and dust prevention. For products with high requirements for environmental humidity, such as paper, textiles, and electronic products, stretch film can effectively block the intrusion of external moisture and prevent products from deforming, mildewing, or being damaged due to moisture. Meanwhile, it can prevent dust from adhering to the surface of the goods and keep goods clean, reduce cleaning costs, and minimize the risk of product malfunction caused by dust. This is so, especially for some open-air warehouses or temporal storage sites where such a characteristic of the stretch film ensures goods are in good shape despite the harsh environment.

III. New Applications in Agriculture

1. Preservation and Storage of Fresh Agricultural Products

Agricultural production has a great relation with the fresh keeping and storage of agricultural products. Under such a circumstance, transparent PE stretch film manifests unparalleled superiority in this aspect. The fruit and vegetable stretching film is taken as a new fresh-keeping packaging made from fruits and vegetables which are freshly picked, this kind of packing will decrease water evaporation and oxygen content by wrapping closely to agricultural products. The process of respiration and metabolism within the agricultural product will be greatly reduced. This means, for instance, in the storage of apples, pears, and other fruits, use of stretch film for packaging singly or as a whole box may significantly extend their life and reduce the losses to decaying.

For certain tuber vegetables, such as potatoes and sweet potatoes, this wrap of stretch film might prevent them from sprouting during storage. It can keep vegetables in storage in a dormant state, prolong the storage period, and meet seasonal sales and trans-regional transportation requirements for vegetables by inhibiting vegetable growth hormones with a specific gas atmosphere and humidity level inside the package produced by stretch films. The consumption of fresh vegetables by consumers could be guaranteed. 2. Packaging of Farm Machinery

In agricultural facilities, too, transparent PE stretch film can be used in a very wide range of applications. The stretch film can be used as a covering material for a greenhouse shed to provide a suitable growth environment for crops. It has good light transmittance and can meet the requirements for the lighting of crops. Meanwhile, it also has some heat-preservation performance. It reduces the loss of heat at night and maintains appropriate temperature inside the shed. Compared with the traditional plastic films, PE stretch film has higher tensile strength and is more durable, capable of withstanding the erosion of natural factors like wind, sun, and rain, reducing the frequency of replacement of the film and lowering agricultural production costs.

Besides, it is able to build some simple sunshades and insect-proof nets and other agricultural facilities by using a stretch film. The stretch film on the sunshade wraps in the hot summer and effectively blocks part of the direct sunlight, reducing indoor temperature in the shed, avoiding high-temperature damage to crops. The finer meshes in stretch films block pest access during the processing of the insect-proof nets and lower the possibilities of agricultural produce loss because of their presence; as such, pesticides usage rate goes low with high productions of healthy greener products.

With the superior performance and wide application of transparent PE stretch film, it has brought lots of conveniences and benefits in all aspects of life. It is believed that, with continuous improvement of technology and higher requirements for material performance, transparent PE stretch film will be able to apply its innovative ideas to more fields and make greater contributions to the development of various industries.

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