End-life cost of the plastic parts

Most significantly, the price per litre varies from about 1 to more than 100 according to the nature of the polymer itself, the formulation of the grades and the inclusion of high-cost reinforcements including carbon fibres and so on. 

For comparison, the approximate prices per litre of conventional materials are roughly  

Average prices for overall additives are roughly estimated from 1.6/kg to 2/kg with a broad range of individual prices from less than l/kg for cheap fillers up to tens of /kg for speciality additives. 

To solve a same problem it is sometimes possible to choose between very different economic routes. For example  

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