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Non-woven bags are not as good as plastic bags

by:Supouches Packaging     2022-01-14
Almost all domestic non-woven fabrics are made of artificial fibers such as polypropylene. In other words, domestic non-woven fabrics are plastic bags. As a result, the myths of degradability and recyclability are self-defeating.   One year ago, as soon as the plastic restriction order was issued, there were endless calls to replace plastic bags with 'environmentally friendly and biodegradable' non-woven fabrics. However, a year later, 30% of domestic non-woven fabric factories closed down, and 60% of the factory warehouses contained a large number of unsalable high-priced goods. The savior who eradicated the white trash has become a 'garbage bag' that no one cares about. Non-woven fabric is not a cloth spray machine spit out a pile of 'cloth' that can't see the warp and weft. Most of them are white, and some are black. After squeezing and setting, they are cut according to the specifications of 1 meter 1 or 1 meter 6, they are just The whole process of unprocessed non-woven bag blanks is similar to that of pancakes, except that the raw materials are not flour and eggs, but other man-made fibers such as polypropylene and viscose, which means that it is used with washing machines, televisions and other home appliances. The material used is the same, also plastic.   The only difference is that most of the polypropylene particles used to produce non-woven fabrics are second-hand. The previous life of a certain non-woven bag in the store may be a laptop, a monitor, or the shell of a washing machine. Its life is based on various man-made fibers mainly made of polypropylene. After the steps of melting and hot pressing, the plastic sprayed by the injection molding machine is oriented or randomly distributed. Without carding, it is not visible on them. The cross marks of warp and weft after weaving, so non-woven fabric is more accurately called 'non-woven fabric'.   'Pancakes' is what Wenzhou Jichang Nonwovens Co., Ltd. does every day. The person in charge of the company, Lin Guoxi, has been in the non-woven business for 6 years. Injection molding machines, extruders and various rate testers strictly control the temperature, speed, and thickness of man-made fibers when they are formed. The thickness of non-woven fabrics is generally divided by the number of grams, and the number of grams used as eco-friendly shopping bags on the market is generally between 45 grams and 100 grams.   'Catalysts are indispensable, we have various catalysts, aluminum-containing, etc.' in order to make the molecular weight of polypropylene fibers as small as possible. The molecular weight is small, the performance is unstable, and it will decompose when exposed to light or water. 'Molecular weight is the key to the easier degradation of non-woven fabrics than plastic bags.' The molecular weight of the non-woven fabric produced by Lin Guoxi’s workshop is twice as small as that of ordinary plastic bags. Deformation is not easy to recover.'   Relatively biodegradable' When the'plastic restriction order' was first issued, the business became popular. Since then, more and more people are doing business, but the market demand is getting smaller and smaller. This year the company The profits of the company have plummeted.” Non-woven fabric factories in Guangdong and Zhejiang and Lin Guoxi’s company are facing the same dilemma. Dong Jinshi, executive vice president and secretary-general of the International Food Packaging Association, predicted the foam of non-woven fabrics a year ago. “Nothing can replace plastic bags. The degradability of non-woven fabrics is relative to plastic bags.”   Two or three Hundred years and 90 days are the difference between the degradation years of plastic bags and non-woven fabrics. The difference of several hundred years makes non-woven fabrics wear 'degradable plastic bags' and 'environmental protection' hats. However, the non-woven fabric can degrade on its own for 90 days outdoors, but it does not degrade to no trace, but becomes a piece or powder that is brittle like an egg roll. If it is placed indoors, the entire degradation process will take 9 years.   Regardless of whether it is 9 years or 90 days, one condition is needed—sunlight. If it is weak, it won’t work, it has to be strong light. 'We have done experiments and hung the non-woven fabric under the big sun. It will be over in one summer.' 'Done' means that the non-woven fabric is completely degraded. If there is no sunlight, stay indoors, it will take at least ten or even decades to degrade. Don't forget that the degraded dust also contains color inks, which make the non-woven fabric colorful, and also become toxic substances in the degraded dust. If inhaled by mistake, it is also harmful to the human body.  Non-woven fabrics are still troublesome fabrics.    can be recycled and easily degraded, both of which are commendable non-woven fabrics.
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