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Open bags with carrying handles are used in large numbers. Stores often provide them as a convenience to shoppers. Some stores charge a nominal fee for a bag. Heavy-duty reusable shopping bags are often considered environmentally better than single-use paper or plastic shopping bags.
Some large store chains have banned plastic shopping bags such as Whole Foods in the U.S. [37] and IKEA in the U.S. and the U.K. [38] Heavy-duty plastic shopping bags are suitable for reuse as reusable shopping bags. Lighter weight bags are often reused as trash bags or to pick up pet feces. All types of plastic shopping bag can be recycled ...
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]
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.
Large supermarkets in Singapore are required to charge a disposable carrier bag tax of at least 5 cents per bag, since 3 July 2023. [ 314 ] [ 315 ] Within the first six months of implementation, supermarkets reported a significant drop in the distribution of plastic bags, with some outlets experiencing a 50-80% reduction. [ 316 ]
A reusable shopping bag, sometimes called a bag for life in the UK, [1] [2] is a type of shopping bag which can be reused many times, in contrast to single-use paper or plastic shopping bags. It is often a tote bag made from fabric such as canvas , natural fibres such as jute , woven synthetic fibers, or a thick plastic that is more durable ...
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