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Big bags FIBC. A flexible intermediate bulk container (FIBC), jumbo bag, bulk bag, super sack or a big bag is an industrial container made of flexible fabric that is designed for storing and transporting dry, flowable products, such as sand, fertilizer, and granules of plastic. [1] [2] [3]
A large number of cities and counties have banned the use of plastic bags by grocery stores or introduced a minimum charge. In September 2014, California became the first state to pass a law banning their use, but the ban contained what has since been called a loophole, allowing supermarkets to provide thicker plastic bags as "reusable" bags at ...
Alternatives such as cotton bags, cardboard boxes and aluminum cans often have larger ecological footprints because these use up more energy and water to manufacture and transport than their plastic equivalents. [4] In addition, very few countries have facilities for recycling materials that are deemed to be less environmentally harmful than ...
Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. [12] [a] [13] [b] When his colleagues Eugen Bamberger and Friedrich Tschirner characterized the white, waxy substance that he had created, they recognized that it contained long −CH 2 − chains and termed it polymethylene.
Because plastic bags are so durable, this makes them a concern for the environment. They will not break down easily and as a result are very harmful to wildlife. Each year millions of discarded plastic shopping bags end up as plastic waste litter in the environment when improperly disposed of. [22]
HDPE is known for its high strength-to-density ratio. [4] The density of HDPE ranges from 930 to 970 kg/m 3. [5] Although the density of HDPE is only marginally higher than that of low-density polyethylene, HDPE has little branching, giving it stronger intermolecular forces and tensile strength (38 MPa versus 21 MPa) than LDPE. [6]
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