... Logo can print on the hose Size tolerance:+/-0.5mm High temperature Cooling water hose for heavy truck parts1.EPDM rubber hose ... ,used for oil hose of machines,temperature range:-40~180°C. Silicon rubber hose,used for high temperature hose of machines, -40~250°C ... .2.Materails:EPDM,NBR,NR,SBR,FPM,BR,silicon rubber and etc ...