the main elements used to make plastics today are cellulose, coal, natural gas, salt, and crude oil, which are all found in nature. Petroleum is getting more expensive, and the price of crude oil has been increasing at. 1 litre of petrol (0.76 kg) needs approximately 0.9 kg of crude oil, with 1 kg crude oil counted for 44 mj/kg.
4.2d Plastics Design Technology
it’s all to do with how plastic is made. Though not all petrochemicals (or chemicals derived from fossil fuels) become plastic, all plastic starts out as a fossil fuel. In 2010, about 191 million barrels of lpg and ngl were used in. Watch this video to see the life.
