Extending the useful life of products is about more than just recycling materials. It is about keeping a product as close as possible to its original state over time, for instance through longer use, repair, upgrading, refurbishment or remanufacturing. Energy-materials-emission-waste/leaks.
Eco-designing a product means make it desirable for people and taking its entire life cycle into account by applying environmental criteria at all stages. Here is the Closing the Lifecycle Loops Canvas.
Image from the Learning Factory ecodesign tools, Learning Factory System Loop Canvas. Based on Circular economy system diagram, Ellen MacArthur Foundation. Copyrights © 2017 Tapani Jokinen, Max Marwede