... :TB/T2626-95 3.Operating temperature:-50~70degrees rubber tie plate for railway:MaterialrubberStandardTB/T2626-95Application43kg/m ,50kg/m, 60kg/m ... /m railModel number43-7-7, 43-10-7, 50-7-9, 50-10-9, 60-10-17, 60-12-17Operating temperature-50~70 ...