buffer roller ,impact roller

Buffer roller or  impact roller 
The < description >
Buffer roller surface consists of elastic rubber ring, installed in the feeding point to cushion the impact on the conveyor, as it falls materials to make the conveyor belt and roller from damage.
Characteristics of < >
Corrosion resistant, flame retardant, antistatic, light weight, it is abrasion resistance and self-lubricating performance does not hurt the belt.Toughness is 10 times more than ordinary metals, life expectancy of the traditional five times.
The < application >
Mainly for coal, coking plant, chemical plant and other corrosive environment.