... economy, reduced noise levels and increased wear resistance. In material handling, the use of UHMW-PE sprockets and bearing surfaces ... of conveying systems. In food handling systems UHMW-PE has eliminated the need for unwanted grease or oil lubricating methods ... need for impact toughness, corrosion resistance, and biological inertness. UHMW-PE is used as scrapers, bushings, gears, conveyor rollers ...