Sealing elements undergo continuous changes in operating and environmental conditions. They are subject to natural, thermo-oxidative or mechanical aging processes and must be replaced after a certain time.
Billions of pounds of carpets are generated annually worldwide. A large percentage of which ends up in landfills is problematic because nylon is non-biodegradable.
Limitations in landfill capacity and the environmental impact of disposing of carpet waste in this manner have made recovering nylon from carpet waste an increasingly important enterprise.