... ; 2.length 190-1800mm, Idler UHMWPE. Dunone belt conveyor impact roller is a patented product, and it sets a new ... and corrosion resistance, no sticking and no damage to belt, impact strength and light weight. The shell, bearing house and ... UHMW-PE own the best self-lubrication, impact absorbing properties and the highest resistance to abrasion, impact, chemicals of any thermoplastics polymer. Idler ...