aging resistant performance,high temperature resistant performance and high vibration resistant performance ,etc. Our silicone hose Features:1) Usage: Turbine superchargers and coolants2) Operative temperature: -40 to 220oC(428 F)3) Pressure: 0.3 to 0.9Mpa4) Standard Colour : Blue Colour 5) Colour Options: Red / Blue/ Black 6) Size Tolerance : 0.5mm 7) Polyester reinforced  : 4 ply (5mm wall)