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Six kinds of commonly used disposable food lunch box product

NEWS / 2021-07-03 10:06

disposable food lunch boxdisposable food lunch box
Biodegradable plastic lunch boxes. The raw material of this kind of lunch box is biodegradable plastic. By biodegradable plastic, we mean that a certain amount of additives, such as photosensitizers, starch and other raw materials, are added to the plastic production process. After being used and discarded and exposed to nature for three months, it can be broken down into pieces in its full form, thus improving the environment, at least visually. But the biggest drawback of this technology is that these fragments do not continue to degrade. They simply turn from large pieces into smaller pieces of plastic, and are not up to the task of eliminating white pollution at its source.
 
Biodegradable lunchbox is a more advanced and environmentally friendly product. It takes starch as the main raw material, adds annual plant fiber powder and special additives, and is processed by chemical and physical methods to make a biodegradable fast food box. Because starch is a biodegradable natural polymer, it decomposes into glucose and finally into water and carbon dioxide under the action of microorganisms.
 
Starch-based, an edible fast food box made of starch. As the name implies, it is made from starchy plants with dietary fiber and other edible additives, which are mixed and kneaded. It is refined by coupling, calcium ion chelation and other technologies. It consists of four parts: the dense layer, the inner waterproof layer, the rubber mesh layer and the outer waterproof layer.
 
Plant fiber lunch box, in terms of environmental advantages, plant fiber lunch box has obvious advantages. It is made of plant fiber extracted from rice straw, rice husk, sugarcane bagasse, etc. It is stirred and shaped by adding additives such as molding agent, over-combining agent and water-resistance agent, shaped by molding machine, and then processed by post-processing. Drying, shaping, disinfection and other processing. These agricultural offcuts can become industrial raw materials and contribute to the comprehensive utilization of agricultural resources.
 
Cardboard fast food boxes are made of 300-350g bleached kraft paper wood pulp cardboard, die-cutting, die-cutting, pressing, molding, and made through a stamping process similar to rice processing. To prevent oil or water seepage, the surface must be coated or coated with chemical additives. During the production and use, it is non-toxic and has no side effects on human body. However, the quality of the cardboard is required to be higher and the cost increases.
 
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The last type is pulp molding type. The wood pulp or reed, bagasse, straw, straw and other annual herbaceous fiber pulp is pulped and purified, and appropriate non-toxic chemical additives are added for shaping, drying, shaping, shaping and trimming.  The product is made by sterilization. The product is not aesthetically pleasing and will increase the pollution of waste water.