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Teach you to distinguish the types of shopping bags
Non-woven shopping bag Non-woven shopping bag is a non-woven fabric made of plastic, many people think that cloth is a natural material, in fact, is a misunderstanding. Commonly used raw materials for non-woven polypropylene (referred to as PP, commonly known as polypropylene) or polyethylene terephthalate (English referred to as PET, commonly known as polyester), especially with plastic shopping bags PP with PE, all belong to Five common plastic varieties, belonging to the use of plastic can not be degraded for 50 years. Ordinary non-woven shopping bags, such as those we refer to as eco-shopping bags, are made of polypropylene fibers by a special process. In essence, polypropylene (PP) is a typical type of plastic and also belongs to plastic bags. Therefore, environmental protection Like ordinary plastic shopping bags, they can not be completely degraded. Speaking from the specific cost-effective, under the same conditions, the strength of non-woven bags than plastic bags, but not waterproof, its price is several times higher than plastic bags. More to mention is the use of more than two kinds of materials made of non-woven shopping bags, recycling more difficult than ordinary plastic shopping bags. Paper shopping bags We all know that paper strength and water resistance are not good, many water-based products such as seafood can not be packed, heavier metal products are also difficult to load. Even if we all switch to paper bags, then the paper is how come? First of all, the raw materials for making paper are mainly wood, and the world's forest resources are extremely scarce. This is the greatest waste of environmental resources. Secondly, the process of paper making produces a great deal of water pollution. Paper mills across the country, such as across-the-street mice, are beaten everywhere. Therefore, a large number of paper bags is the greatest waste of environmental resources, the greatest environmental pollution. Cotton shopping bag Cotton shopping bag strength is better than the paper bag, you can repeatedly use, but the water resistance is not good. The advantages of cotton shopping bags for recycling, but the bag is dirty how to do? Washing is the most commonly used method, but washing waste of water resources, with phosphorus washing powder will pollute the soil, while ordinary washing can not kill bacteria.