subject: Benefit of Plastic Recycling and Its Application [print this page] As per the study of recycling of plastic, revealed 1.8 tonnes of oil is saved for every one tonne of polythene recycled. Water usage in manufacturing original plastic is 90% more compare the water used in the process of recycle plastic. So with the above listed point you can see how recycling of plastic is an excellent strategy to guard our environment from pollution as well as to save non-renewable sources.