... ,NR,SBR,NBR 2)Application:subway,rail track 3)Different size 4)Good quality,price Rubber Rail Pad1.Material:EPDM,NR,SBR ... ,NBR.2.Application:Mainly used in rail tracks.3.Colour:Black.4.Excellent chemical and physical property ... .Good aging resistance capacity.Wearability and flexibility,elecitric insulation and high temperature resistance.5.OEM or ODM orders are welcomed.6 ...