Silicone hose Temperature: -65 to +260C; Special can reach to +300C Pressure: ... .4Mpa; Special can reach to 3.0Mpa Specification for silicone hose: 1) Usage: for engine air intake, exhaust, water, oil resistance ... ) 9) Special inner layer can be: fluorosilicone, fluororubber & fluorocarbon radiator hose