The non-returnable plastic bottles
Before recycling, a glass bottle can be reused up to 30 times.
– The public consultation paper of the “beverage bottles producer responsibility”
Indeed, glass bottles are reusable, but the advantages of the plastic ones are too good to be neglected by the business people.
Cost of manufacturing plastic bottles is a few cents each, the priciest plastic bottle only costs 5% of a glass counterpart;
A plastic bottle only weighs one tenth of the glass counterpart;
It is not a pity to throw away plastic bottles, on the contrary, reusing glass bottles will incur recycling and cleaning costs.
Convenient plastic bottles have also boosted sales. From 2013 to 2017, PET-bottled drinks sales had increased by 4.1% per year; while glass-bottled drinks had dropped by 2% every year. In 2017 alone, Hong Kong sold 1.4 billion PET-bottled drinks and 47 million glass- bottled drinks, which is just 3.36% of the former.