1.rubber pad for rail 2.wear-resistantaanatural aging resistant,cold-resistant,heat-resistant ... .material:rubber2.function,protect tack,sleeper and roadbed,,electrical insulation for signal system3.advantage, wear-resistantaanatural aging resistant wear-resistantaanatural aging resistant ... and other chemicals. Banned exposure. 7.can make as customer's drawing ,and any style8.MOQ: if our standard ,1 pcs ...