Abrasion Resistance UHMW Conveyor Rollers Dia 89x170mm CE ISO Approved

Features Dust-proof: "Integral labyrinth seal"design a: Without other gaskets,the gap is small enough to keep dust outside. b: Double sealed dust-proof bearing,and before assemble the bearing we add Lithium grease lubricant to protect it. Waterproof: Dust covers on both sides are out off the tube, so they can make the water outside. Corrosion-resistant: Outside materials of roller are plastics,the characteristics of plastics make rollers resistant to acid,alkaline,and organic solvent. No adhesion: Materials of roller pipe are Self-lubricating and low water absorption ,so the rollers are difficult to stick concrete etc.