Cost effective reprocessing of polyurethane by hot
WEBAug 20, 2003 · The main recycling route that does exist for thermosets is to grind down mouldings to a fine powder and use it as filler in new moulding compounds ... To allow any reprocessing of the polyurethane bumper mouldings the material has to be broken down into smaller particles. The nature of the polyurethane presents difficulties when .