With the introduction of more and more environmental protection laws and regulations, the research and development of renewable paper packaging have become increasingly important in countries around the world.
The E-cubestm packaging material produced by E-Tech Products of the United States is made from recycled waste paper and resembles a square shape. After filling, the packaged product (such as eggs) can not be moved inside the box to avoid cracking. Compared with foam plastics, E-cubes are more convenient and quicker to use in filling. It can fill any shape of goods, it can be recycled, biodegradable and non-toxic.
The metatm system produced by Mead Corporation of the United States is a group of corrugated cardboard boxes made up of eight sides and an octagon. The corners are connected at 45 degrees and are used in the shelves of retail stores, attracting a large number of customers. The linerboard used outside the box is a preprinted boxboard that can be printed to six colors. The productivity of the meta cartons is three times that of conventional slotted cartons. It can produce 70 cartons per minute. The octagonal design makes the stacking strength of the meta carton higher than that of the square box.
Longview Fibers, a US company, recently launched a high-quality retail bag with handles for printing from three to four colors. It is produced from recycled kraft paper bags and divided into original leather-colored, bleached and other colored paper bags. This kind of paper bags has a long life cycle and is biodegradable. It is an alternative to plastic bags.
The United States Stone Container Corporation launched the Cordeck corrugated flat plate. This type of freight plate produced from recycled paper is mainly used for the transportation of goods, and solves the problem that the old flat plate is difficult to handle after use.
In addition, the cardboard with a new type of protective coating produced by Enso of Finland can be used as a packaging material for liquid and solid foods and has been patented in Europe and the United States under the trade name Ensobarr. It is superior to conventional plastic coatings and comparable to aluminum foil. The cardboard coating is only 3 layers instead of the conventional 4 layers, light weight, can retain the color, aroma, taste of food, extend the shelf life, can also be aseptic packaging materials.